Fix #248
Add some EditorName

#251
PageEditor overlay inside pageloader

* fix overlay going over other tabs
Page/widget delete confirmation

+ prevent not empty contrainer from being removed
+ Page delete confirm message
Fix #232
Clean pmg's  tabview css

*removed duplicated css rules
*Fix #268
Fix #282 Put activate everywhere
Merge branch 'HEAD' of git@github.com:Heigvd/Wegas.git
Fix #271
loading overlay : delay

* Pageloader, delay before page render
*pagetreeview, overlay during compute
*pagetreeview : expand first widget #250
Merge branch 'master' of github.com:Heigvd/Wegas

# By Francois-Xavier Aeberhard
# Via Francois-Xavier Aeberhard
* 'master' of github.com:Heigvd/Wegas:
  Fix #271
  Fix #282 Put activate everywhere
  Fix #232
  Fix #248
merge fix
conditionDisable now accepte serveur evaluation
Close #220
Merge branch 'master' of https://github.com/Heigvd/Wegas
modify task and resource impacts
Add EDITORNAME to common widget

*Fix #251 : widget added by editor only
Merge branch 'master' of github.com:Heigvd/Wegas

# By Benjamin Gerber
# Via Benjamin Gerber
* 'master' of github.com:Heigvd/Wegas:
  modify task and resource impacts
  Close #220
  conditionDisable now accepte serveur evaluation
Fix uservoice postionning
Remove unread count from Actions in PMG cg #279