[FIX] im_chat : displayed date was in UTC, now using openerp.str_to_datetime to set it in the browser timezone. Also add missing data file in manifest.

addons/im_chat/__openerp__.py

@@ -19,6 +19,7 @@ chat in real time. It support several chats in parallel.
         'security/ir.model.access.csv',
         'security/im_security.xml',
         'views/im_chat.xml',
+        'im_chat_data.xml',
     ],
     'depends' : ['base', 'web', 'bus'],
     'qweb': ['static/src/xml/*.xml'],

addons/im_chat/static/src/js/im_chat.js

@@ -344,7 +344,7 @@
                 if(!m.from_id){
                     m.from_id = [false, get_anonymous_name()];
                 }
-                m.create_date = moment.utc(m.create_date).format('YYYY-MM-DD HH:mm:ss');
+                m.create_date = moment(openerp.str_to_datetime(m.create_date)).format('YYYY-MM-DD HH:mm:ss');
                 return m;
             });
            	this.set("messages", _.sortBy(this.get("messages").concat(messages), function(m){ return m.id; }));