[FIX] Autocompletion popup gets partially hidden by calendar header

Also removed forgotten debugger

lp bug: https://launchpad.net/bugs/952855 fixed

bzr revid: fme@openerp.com-20120328153825-zbop4op55hsib2sc

addons/web_calendar/static/src/css/web_calendar.css

@@ -25,7 +25,7 @@
 .openerp .dhx_cal_navline{
     height:20px; 
     position:absolute;
-    z-index:3;
+    z-index:1;
     width:750px;
     color:#2F3A48;
     background-color:#eee;

addons/web_calendar/static/src/js/calendar.js

@@ -342,7 +342,6 @@ openerp.web_calendar.CalendarView = openerp.web.View.extend({
     do_edit_event: function(event_id, evt) {
         var self = this;
         var index = this.dataset.get_id_index(event_id);
-        debugger
         if (index !== null) {
             this.dataset.index = index;
             this.do_switch_view('page');