Pagetreeview sortable quick fix
PMG -> Wegas import transform
Merge branch 'master' of github.com:Heigvd/Wegas

# By Francois-Xavier Aeberhard
# Via Francois-Xavier Aeberhard
* 'master' of github.com:Heigvd/Wegas:
  Fix #262
  Fix issue in treeview-sortable.js
  Fix #269 Les choix n'ont plus de résultat par défaut et on peut détruire les Result, même s'il sont le currentResult.
  YUI 3.11.0 -> 3.12.0
  Fix partially #276 Les réponses ne sont plus drag  and droppables. On pourrait ajouter le dd sur les réponses, mais ca serait vraiment juste pour l'éditeur, à voir si ça en vaut la peine
  Refactor editorName to optional title in VariableDescriptor.java
PMG - symplify impacts in properties
Add preview to Image widget picture
Fix login button position in pmg
PageTreeView asyc operation

*changed some opertations to asyc (tree desctruction)
*Show Overlay as feedback
Merge branch 'master' of github.com:Heigvd/Wegas

# By Yannick Lagger (5) and Benjamin Gerber (4)
# Via Benjamin Gerber (3) and Yannick Lagger (2)
* 'master' of github.com:Heigvd/Wegas:
  PMG - symplify impacts in properties
  simplify condition on properties
  Close #283
  Close #285
  Close #273 questions from the false periode were displayed
  Create gameModel Artos + fix bug
  Fix bug reloading gantt and task page
  Improve datatablepopup and assignement plugin for less server request
  Button add task and add resource now added by client script
Fix buggus getEditorLabel in widgets
Fix wegas-chart.js destructor
Merge branch 'HEAD' of git@github.com:Heigvd/Wegas.git
Refactor pmg widgets
Pagetreeview destructor fix
Merge branch 'pmg' of git@github.com:Heigvd/Wegas.git

Conflicts:
	wegas-app/src/main/webapp/wegas-pmg/js/wegas-pmg-datatable.js
Continued pmg refactor
Merge branch 'HEAD' of git@github.com:Heigvd/Wegas.git
smooth Injector filtering

Delay 100 ms after last node insert
Merge
PMG - change bad rounding of the completeness
Merge branch 'master' of https://github.com/Heigvd/Wegas