diff --git a/addons/web/static/lib/underscore/underscore.string.js b/addons/web/static/lib/underscore/underscore.string.js
index 4da2b26ec1c..d15c1f1f7ce 100644
--- a/addons/web/static/lib/underscore/underscore.string.js
+++ b/addons/web/static/lib/underscore/underscore.string.js
@@ -4,301 +4,436 @@
 // Documentation: https://github.com/edtsech/underscore.string
 // Some code is borrowed from MooTools and Alexandru Marasteanu.
 
-// Version 1.1.4
+// Version 1.1.6
 
-(function(){
-    // ------------------------- Baseline setup ---------------------------------
 
-    // Establish the root object, "window" in the browser, or "global" on the server.
-    var root = this;
+(function(root){
+  'use strict';
 
-    var nativeTrim = String.prototype.trim;
+  if (typeof _ != 'undefined') {
+    var _reverse = _().reverse,
+        _include = _.include;
+  }
 
-    function str_repeat(i, m) {
-        for (var o = []; m > 0; o[--m] = i);
-        return o.join('');
+  // Defining helper functions.
+
+  var nativeTrim = String.prototype.trim;
+
+  var parseNumber = function(source) { return source * 1 || 0; };
+
+  var strRepeat = function(i, m) {
+    for (var o = []; m > 0; o[--m] = i);
+    return o.join('');
+  };
+
+  var slice = function(a){
+    return Array.prototype.slice.call(a);
+  };
+
+  var defaultToWhiteSpace = function(characters){
+    if (characters) {
+      return _s.escapeRegExp(characters);
+    }
+    return '\\s';
+  };
+
+  var sArgs = function(method){
+    return function(){
+      var args = slice(arguments);
+      for(var i=0; i<args.length; i++)
+        args[i] = args[i] == null ? '' : '' + args[i];
+      return method.apply(null, args);
+    };
+  };
+
+  // sprintf() for JavaScript 0.7-beta1
+  // http://www.diveintojavascript.com/projects/javascript-sprintf
+  //
+  // Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
+  // All rights reserved.
+
+  var sprintf = (function() {
+    function get_type(variable) {
+      return Object.prototype.toString.call(variable).slice(8, -1).toLowerCase();
     }
 
-    function defaultToWhiteSpace(characters){
-        if (characters) {
-            return _s.escapeRegExp(characters);
+    var str_repeat = strRepeat;
+
+    var str_format = function() {
+      if (!str_format.cache.hasOwnProperty(arguments[0])) {
+        str_format.cache[arguments[0]] = str_format.parse(arguments[0]);
+      }
+      return str_format.format.call(null, str_format.cache[arguments[0]], arguments);
+    };
+
+    str_format.format = function(parse_tree, argv) {
+      var cursor = 1, tree_length = parse_tree.length, node_type = '', arg, output = [], i, k, match, pad, pad_character, pad_length;
+      for (i = 0; i < tree_length; i++) {
+        node_type = get_type(parse_tree[i]);
+        if (node_type === 'string') {
+          output.push(parse_tree[i]);
         }
-        return '\\s';
-    }
-
-    var _s = {
-
-        isBlank: function(str){
-            return !!str.match(/^\s*$/);
-        },
-
-        capitalize : function(str) {
-            return str.charAt(0).toUpperCase() + str.substring(1).toLowerCase();
-        },
-
-        chop: function(str, step){
-            step = step || str.length;
-            var arr = [];
-            for (var i = 0; i < str.length;) {
-                arr.push(str.slice(i,i + step));
-                i = i + step;
+        else if (node_type === 'array') {
+          match = parse_tree[i]; // convenience purposes only
+          if (match[2]) { // keyword argument
+            arg = argv[cursor];
+            for (k = 0; k < match[2].length; k++) {
+              if (!arg.hasOwnProperty(match[2][k])) {
+                throw(sprintf('[_.sprintf] property "%s" does not exist', match[2][k]));
+              }
+              arg = arg[match[2][k]];
             }
-            return arr;
-        },
+          } else if (match[1]) { // positional argument (explicit)
+            arg = argv[match[1]];
+          }
+          else { // positional argument (implicit)
+            arg = argv[cursor++];
+          }
 
-        clean: function(str){
-            return _s.strip(str.replace(/\s+/g, ' '));
-        },
+          if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {
+            throw(sprintf('[_.sprintf] expecting number but found %s', get_type(arg)));
+          }
+          switch (match[8]) {
+            case 'b': arg = arg.toString(2); break;
+            case 'c': arg = String.fromCharCode(arg); break;
+            case 'd': arg = parseInt(arg, 10); break;
+            case 'e': arg = match[7] ? arg.toExponential(match[7]) : arg.toExponential(); break;
+            case 'f': arg = match[7] ? parseFloat(arg).toFixed(match[7]) : parseFloat(arg); break;
+            case 'o': arg = arg.toString(8); break;
+            case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break;
+            case 'u': arg = Math.abs(arg); break;
+            case 'x': arg = arg.toString(16); break;
+            case 'X': arg = arg.toString(16).toUpperCase(); break;
+          }
+          arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg);
+          pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' ';
+          pad_length = match[6] - String(arg).length;
+          pad = match[6] ? str_repeat(pad_character, pad_length) : '';
+          output.push(match[5] ? arg + pad : pad + arg);
+        }
+      }
+      return output.join('');
+    };
 
-        count: function(str, substr){
-            var count = 0, index;
-            for (var i=0; i < str.length;) {
-                index = str.indexOf(substr, i);
-                index >= 0 && count++;
-                i = i + (index >= 0 ? index : 0) + substr.length;
-            }
-            return count;
-        },
+    str_format.cache = {};
 
-        chars: function(str) {
-            return str.split('');
-        },
-
-        escapeHTML: function(str) {
-            return String(str||'').replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')
-                                  .replace(/"/g, '&quot;').replace(/'/g, "&apos;");
-        },
-
-        unescapeHTML: function(str) {
-            return String(str||'').replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>')
-                                  .replace(/&quot;/g, '"').replace(/&apos;/g, "'");
-        },
-
-        escapeRegExp: function(str){
-            // From MooTools core 1.2.4
-            return String(str||'').replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
-        },
-
-        insert: function(str, i, substr){
-            var arr = str.split('');
-            arr.splice(i, 0, substr);
-            return arr.join('');
-        },
-
-        includes: function(str, needle){
-            return str.indexOf(needle) !== -1;
-        },
-
-        join: function(sep) {
-            // TODO: Could this be faster by converting
-            // arguments to Array and using array.join(sep)?
-            sep = String(sep);
-            var str = "";
-            for (var i=1; i < arguments.length; i += 1) {
-                str += String(arguments[i]);
-                if ( i !== arguments.length-1 ) {
-                    str += sep;
+    str_format.parse = function(fmt) {
+      var _fmt = fmt, match = [], parse_tree = [], arg_names = 0;
+      while (_fmt) {
+        if ((match = /^[^\x25]+/.exec(_fmt)) !== null) {
+          parse_tree.push(match[0]);
+        }
+        else if ((match = /^\x25{2}/.exec(_fmt)) !== null) {
+          parse_tree.push('%');
+        }
+        else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) {
+          if (match[2]) {
+            arg_names |= 1;
+            var field_list = [], replacement_field = match[2], field_match = [];
+            if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
+              field_list.push(field_match[1]);
+              while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
+                if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
+                  field_list.push(field_match[1]);
                 }
-            }
-            return str;
-        },
-
-        lines: function(str) {
-            return str.split("\n");
-        },
-
-//        reverse: function(str){
-//            return Array.prototype.reverse.apply(str.split('')).join('');
-//        },
-
-        splice: function(str, i, howmany, substr){
-            var arr = str.split('');
-            arr.splice(i, howmany, substr);
-            return arr.join('');
-        },
-
-        startsWith: function(str, starts){
-            return str.length >= starts.length && str.substring(0, starts.length) === starts;
-        },
-
-        endsWith: function(str, ends){
-            return str.length >= ends.length && str.substring(str.length - ends.length) === ends;
-        },
-
-        succ: function(str){
-            var arr = str.split('');
-            arr.splice(str.length-1, 1, String.fromCharCode(str.charCodeAt(str.length-1) + 1));
-            return arr.join('');
-        },
-
-        titleize: function(str){
-            var arr = str.split(' '),
-                word;
-            for (var i=0; i < arr.length; i++) {
-                word = arr[i].split('');
-                if(typeof word[0] !== 'undefined') word[0] = word[0].toUpperCase();
-                i+1 === arr.length ? arr[i] = word.join('') : arr[i] = word.join('') + ' ';
-            }
-            return arr.join('');
-        },
-
-        camelize: function(str){
-          return _s.trim(str).replace(/(\-|_|\s)+(.)?/g, function(match, separator, chr) {
-            return chr ? chr.toUpperCase() : '';
-          });
-        },
-
-        underscored: function(str){
-          return _s.trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1_$2').replace(/\-|\s+/g, '_').toLowerCase();
-        },
-
-        dasherize: function(str){
-          return _s.trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1-$2').replace(/^([A-Z]+)/, '-$1').replace(/\_|\s+/g, '-').toLowerCase();
-        },
-
-        trim: function(str, characters){
-            if (!characters && nativeTrim) {
-                return nativeTrim.call(str);
-            }
-            characters = defaultToWhiteSpace(characters);
-            return str.replace(new RegExp('\^[' + characters + ']+|[' + characters + ']+$', 'g'), '');
-        },
-
-        ltrim: function(str, characters){
-            characters = defaultToWhiteSpace(characters);
-            return str.replace(new RegExp('\^[' + characters + ']+', 'g'), '');
-        },
-
-        rtrim: function(str, characters){
-            characters = defaultToWhiteSpace(characters);
-            return str.replace(new RegExp('[' + characters + ']+$', 'g'), '');
-        },
-
-        truncate: function(str, length, truncateStr){
-            truncateStr = truncateStr || '...';
-            return str.slice(0,length) + truncateStr;
-        },
-
-        words: function(str, delimiter) {
-            delimiter = delimiter || " ";
-            return str.split(delimiter);
-        },
-
-
-        pad: function(str, length, padStr, type) {
-
-            var padding = '';
-            var padlen  = 0;
-
-            if (!padStr) { padStr = ' '; }
-            else if (padStr.length > 1) { padStr = padStr[0]; }
-            switch(type) {
-                case "right":
-                    padlen = (length - str.length);
-                    padding = str_repeat(padStr, padlen);
-                    str = str+padding;
-                    break;
-                case "both":
-                    padlen = (length - str.length);
-                    padding = {
-                        'left' : str_repeat(padStr, Math.ceil(padlen/2)),
-                        'right': str_repeat(padStr, Math.floor(padlen/2))
-                    };
-                    str = padding.left+str+padding.right;
-                    break;
-                default: // "left"
-                    padlen = (length - str.length);
-                    padding = str_repeat(padStr, padlen);;
-                    str = padding+str;
-            }
-            return str;
-        },
-
-        lpad: function(str, length, padStr) {
-            return _s.pad(str, length, padStr);
-        },
-
-        rpad: function(str, length, padStr) {
-            return _s.pad(str, length, padStr, 'right');
-        },
-
-        lrpad: function(str, length, padStr) {
-            return _s.pad(str, length, padStr, 'both');
-        },
-
-
-        /**
-         * Credits for this function goes to
-         * http://www.diveintojavascript.com/projects/sprintf-for-javascript
-         *
-         * Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
-         * All rights reserved.
-         * */
-        sprintf: function(){
-
-            var i = 0, a, f = arguments[i++], o = [], m, p, c, x, s = '';
-            while (f) {
-                if (m = /^[^\x25]+/.exec(f)) {
-                    o.push(m[0]);
-                }
-                else if (m = /^\x25{2}/.exec(f)) {
-                    o.push('%');
-                }
-                else if (m = /^\x25(?:(\d+)\$)?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(f)) {
-                    if (((a = arguments[m[1] || i++]) == null) || (a == undefined)) {
-                        throw('Too few arguments.');
-                    }
-                    if (/[^s]/.test(m[7]) && (typeof(a) != 'number')) {
-                        throw('Expecting number but found ' + typeof(a));
-                    }
-                    switch (m[7]) {
-                        case 'b': a = a.toString(2); break;
-                        case 'c': a = String.fromCharCode(a); break;
-                        case 'd': a = parseInt(a); break;
-                        case 'e': a = m[6] ? a.toExponential(m[6]) : a.toExponential(); break;
-                        case 'f': a = m[6] ? parseFloat(a).toFixed(m[6]) : parseFloat(a); break;
-                        case 'o': a = a.toString(8); break;
-                        case 's': a = ((a = String(a)) && m[6] ? a.substring(0, m[6]) : a); break;
-                        case 'u': a = Math.abs(a); break;
-                        case 'x': a = a.toString(16); break;
-                        case 'X': a = a.toString(16).toUpperCase(); break;
-                    }
-                    a = (/[def]/.test(m[7]) && m[2] && a >= 0 ? '+'+ a : a);
-                    c = m[3] ? m[3] == '0' ? '0' : m[3].charAt(1) : ' ';
-                    x = m[5] - String(a).length - s.length;
-                    p = m[5] ? str_repeat(c, x) : '';
-                    o.push(s + (m[4] ? a + p : p + a));
+                else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) {
+                  field_list.push(field_match[1]);
                 }
                 else {
-                    throw('Huh ?!');
+                  throw('[_.sprintf] huh?');
                 }
-                f = f.substring(m[0].length);
+              }
             }
-            return o.join('');
+            else {
+              throw('[_.sprintf] huh?');
+            }
+            match[2] = field_list;
+          }
+          else {
+            arg_names |= 2;
+          }
+          if (arg_names === 3) {
+            throw('[_.sprintf] mixing positional and named placeholders is not (yet) supported');
+          }
+          parse_tree.push(match);
         }
-    }
+        else {
+          throw('[_.sprintf] huh?');
+        }
+        _fmt = _fmt.substring(match[0].length);
+      }
+      return parse_tree;
+    };
 
-    // Aliases
+    return str_format;
+  })();
 
-    _s.strip  = _s.trim;
-    _s.lstrip = _s.ltrim;
-    _s.rstrip = _s.rtrim;
-    _s.center = _s.lrpad
-    _s.ljust  = _s.lpad
-    _s.rjust  = _s.rpad
 
-    // CommonJS module is defined
-    if (typeof window === 'undefined' && typeof module !== 'undefined') {
-        // Export module
-        module.exports = _s;
 
-    // Integrate with Underscore.js
-    } else if (typeof root._ !== 'undefined') {
-        root._.mixin(_s);
+  // Defining underscore.string
 
-    // Or define it
-    } else {
-        root._ = _s;
-    }
+  var _s = {
 
-}());
+    isBlank: sArgs(function(str){
+      return (/^\s*$/).test(str);
+    }),
+
+    stripTags: sArgs(function(str){
+      return str.replace(/<\/?[^>]+>/ig, '');
+    }),
+
+    capitalize : sArgs(function(str) {
+      return str.charAt(0).toUpperCase() + str.substring(1).toLowerCase();
+    }),
+
+    chop: sArgs(function(str, step){
+      step = parseNumber(step) || str.length;
+      var arr = [];
+      for (var i = 0; i < str.length;) {
+        arr.push(str.slice(i,i + step));
+        i = i + step;
+      }
+      return arr;
+    }),
+
+    clean: sArgs(function(str){
+      return _s.strip(str.replace(/\s+/g, ' '));
+    }),
+
+    count: sArgs(function(str, substr){
+      var count = 0, index;
+      for (var i=0; i < str.length;) {
+        index = str.indexOf(substr, i);
+        index >= 0 && count++;
+        i = i + (index >= 0 ? index : 0) + substr.length;
+      }
+      return count;
+    }),
+
+    chars: sArgs(function(str) {
+      return str.split('');
+    }),
+
+    escapeHTML: sArgs(function(str) {
+      return str.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;')
+                            .replace(/"/g, '&quot;').replace(/'/g, "&apos;");
+    }),
+
+    unescapeHTML: sArgs(function(str) {
+      return str.replace(/&lt;/g, '<').replace(/&gt;/g, '>')
+                            .replace(/&quot;/g, '"').replace(/&apos;/g, "'").replace(/&amp;/g, '&');
+    }),
+
+    escapeRegExp: sArgs(function(str){
+      // From MooTools core 1.2.4
+      return str.replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
+    }),
+
+    insert: sArgs(function(str, i, substr){
+      var arr = str.split('');
+      arr.splice(parseNumber(i), 0, substr);
+      return arr.join('');
+    }),
+
+    includes: sArgs(function(str, needle){
+      return str.indexOf(needle) !== -1;
+    }),
+
+    include: function(obj, needle) {
+      if (!_include || (/string|number/).test(typeof obj)) {
+        return this.includes(obj, needle);
+      } else {
+        return _include(obj, needle);
+      }
+    },
+
+    join: sArgs(function(sep) {
+      var args = slice(arguments);
+      return args.join(args.shift());
+    }),
+
+    lines: sArgs(function(str) {
+      return str.split("\n");
+    }),
+
+    reverse: function(obj){
+      if (!_reverse || (/string|number/).test(typeof obj)) {
+        return Array.prototype.reverse.apply(String(obj).split('')).join('');
+      } else {
+        return _reverse.call(_(obj));
+      }
+    },
+
+    splice: sArgs(function(str, i, howmany, substr){
+      var arr = str.split('');
+      arr.splice(parseNumber(i), parseNumber(howmany), substr);
+      return arr.join('');
+    }),
+
+    startsWith: sArgs(function(str, starts){
+      return str.length >= starts.length && str.substring(0, starts.length) === starts;
+    }),
+
+    endsWith: sArgs(function(str, ends){
+      return str.length >= ends.length && str.substring(str.length - ends.length) === ends;
+    }),
+
+    succ: sArgs(function(str){
+      var arr = str.split('');
+      arr.splice(str.length-1, 1, String.fromCharCode(str.charCodeAt(str.length-1) + 1));
+      return arr.join('');
+    }),
+
+    titleize: sArgs(function(str){
+      var arr = str.split(' '),
+          word;
+      for (var i=0; i < arr.length; i++) {
+        word = arr[i].split('');
+        if(typeof word[0] !== 'undefined') word[0] = word[0].toUpperCase();
+        i+1 === arr.length ? arr[i] = word.join('') : arr[i] = word.join('') + ' ';
+      }
+      return arr.join('');
+    }),
+
+    camelize: sArgs(function(str){
+      return _s.trim(str).replace(/(\-|_|\s)+(.)?/g, function(match, separator, chr) {
+        return chr ? chr.toUpperCase() : '';
+      });
+    }),
+
+    underscored: function(str){
+      return _s.trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1_$2').replace(/\-|\s+/g, '_').toLowerCase();
+    },
+
+    dasherize: function(str){
+      return _s.trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1-$2').replace(/^([A-Z]+)/, '-$1').replace(/\_|\s+/g, '-').toLowerCase();
+    },
+
+    trim: sArgs(function(str, characters){
+      if (!characters && nativeTrim) {
+        return nativeTrim.call(str);
+      }
+      characters = defaultToWhiteSpace(characters);
+      return str.replace(new RegExp('\^[' + characters + ']+|[' + characters + ']+$', 'g'), '');
+    }),
+
+    ltrim: sArgs(function(str, characters){
+      characters = defaultToWhiteSpace(characters);
+      return str.replace(new RegExp('\^[' + characters + ']+', 'g'), '');
+    }),
+
+    rtrim: sArgs(function(str, characters){
+      characters = defaultToWhiteSpace(characters);
+      return str.replace(new RegExp('[' + characters + ']+$', 'g'), '');
+    }),
+
+    truncate: sArgs(function(str, length, truncateStr){
+      truncateStr = truncateStr || '...';
+      length = parseNumber(length);
+      return str.length > length ? str.slice(0,length) + truncateStr : str;
+    }),
+
+    words: function(str, delimiter) {
+      return String(str).split(delimiter || " ");
+    },
+
+    pad: sArgs(function(str, length, padStr, type) {
+      var padding = '',
+          padlen  = 0;
+
+      length = parseNumber(length);
+
+      if (!padStr) { padStr = ' '; }
+      else if (padStr.length > 1) { padStr = padStr.charAt(0); }
+      switch(type) {
+        case 'right':
+          padlen = (length - str.length);
+          padding = strRepeat(padStr, padlen);
+          str = str+padding;
+          break;
+        case 'both':
+          padlen = (length - str.length);
+          padding = {
+            'left' : strRepeat(padStr, Math.ceil(padlen/2)),
+            'right': strRepeat(padStr, Math.floor(padlen/2))
+          };
+          str = padding.left+str+padding.right;
+          break;
+        default: // 'left'
+          padlen = (length - str.length);
+          padding = strRepeat(padStr, padlen);;
+          str = padding+str;
+        }
+      return str;
+    }),
+
+    lpad: function(str, length, padStr) {
+      return _s.pad(str, length, padStr);
+    },
+
+    rpad: function(str, length, padStr) {
+      return _s.pad(str, length, padStr, 'right');
+    },
+
+    lrpad: function(str, length, padStr) {
+      return _s.pad(str, length, padStr, 'both');
+    },
+
+    sprintf: sprintf,
+
+    vsprintf: function(fmt, argv){
+      argv.unshift(fmt);
+      return sprintf.apply(null, argv);
+    },
+
+    toNumber: function(str, decimals) {
+      var num = parseNumber(parseNumber(str).toFixed(parseNumber(decimals)));
+      return (!(num === 0 && (str !== "0" && str !== 0))) ? num : Number.NaN;
+    },
+
+    strRight: sArgs(function(sourceStr, sep){
+      var pos =  (!sep) ? -1 : sourceStr.indexOf(sep);
+      return (pos != -1) ? sourceStr.slice(pos+sep.length, sourceStr.length) : sourceStr;
+    }),
+
+    strRightBack: sArgs(function(sourceStr, sep){
+      var pos =  (!sep) ? -1 : sourceStr.lastIndexOf(sep);
+      return (pos != -1) ? sourceStr.slice(pos+sep.length, sourceStr.length) : sourceStr;
+    }),
+
+    strLeft: sArgs(function(sourceStr, sep){
+      var pos = (!sep) ? -1 : sourceStr.indexOf(sep);
+      return (pos != -1) ? sourceStr.slice(0, pos) : sourceStr;
+    }),
+
+    strLeftBack: sArgs(function(sourceStr, sep){
+      var pos = sourceStr.lastIndexOf(sep);
+      return (pos != -1) ? sourceStr.slice(0, pos) : sourceStr;
+    })
+
+  };
+
+  // Aliases
+
+  _s.strip  = _s.trim;
+  _s.lstrip = _s.ltrim;
+  _s.rstrip = _s.rtrim;
+  _s.center = _s.lrpad;
+  _s.ljust  = _s.lpad;
+  _s.rjust  = _s.rpad;
+
+  // CommonJS module is defined
+  if (typeof module !== 'undefined' && module.exports) {
+    // Export module
+    module.exports = _s;
+
+  // Integrate with Underscore.js
+  } else if (typeof root._ !== 'undefined') {
+    root._.mixin(_s);
+
+  // Or define it
+  } else {
+    root._ = _s;
+  }
+
+}(this || window));