Pageeditor drag and drop extension init

+PageEditorDD extension
* moved pageeditor css from editor to pageeditor css file
pageloader fix recursive loading
pageeditor event management improve
PageEditorDD constrain/scroll
PageEditor resize extension init
PageEditor icons reduce
Flexitest form label
CSS Styles fix

*wait for host to render
* use an instance property, not a global var to store own properties
*default mesure suffix as an ATTR
PageEditor SavePage

*Drag entire widget
+ save page after drag/resize
Merge branch 'master' into pagedd

* master:
  Fix Chat widget default css style
  Fix issue in css loading
  Chess game v0.2
  Refactor websocket listener
  Fix issue in token join w/ freeForAll
  Fix issue in view/error/error.xhtml
PageEditor drag/resize relative plugin

*Drag only widget with CSSPosition plugin
*Resize only widget with CSSSize plugin
*Fix width/height on drag
*Fix left/bottom position on drag
*constrain to root widget's contentBox
PageEditor DD clean added node's style

+ Clean node from added styles during drag operation
+ manage case where no horizontal or vertical value were defined
*jsLint corrections
PageEditor menu on icon

*open editor menu on icon only
+ destructor improvements
Merge branch 'master' into pagedd

* master:
  Optimize js dependency (wegas-editor-entityaction was always loaded)
  Refactor cssUri inclusion: move from cssloader to jsf
  Fix issue in ComboController: allow single quote while rewriting uris
  Fix test run issue (was unable to create game with a Guest account)
  Fix issue in TeamScope.java
  By default games can be join w/ token
  Default broadcastscope is player scope
fix fileexplorer panel with page overlay
ChoiceList edition tweek

* access elements through the page tree.
PageEditor pad container in designmode

Draw elements to color and make hidden widget appear
*Various CSS move
CSS in player mode

- duplicated HEAD
*editorGameController -> gameController
Pageloader edit mode explanations
Merge branch 'master' into pagedd

* master:
  Refactor wegas-inputex-variableselect.js
  Refactor WidgetMenu.js plugin to allow nested click events
  Add page edition to prog game
  Add textarea fallback to inputex-ace.js
  Form widget 1st version
  Remove unused dependencies in wegas-loader.js
  Add cache control to ComboController
  Change some widget edition

Conflicts:
	wegas-app/src/main/webapp/wegas-editor/js/plugin/wegas-pageeditor.js