ENYO-3082: added "close project" button
ENYO-3082: click on "Don't save" no longer abort the save serie
ENYO-3082: moved closeAllDocs from Phobos to EnyoEditor
ENYO-3082: cleanup comments
ENYO-3082: removed closeDocument event
ENYO-3082: extracted launchPreview from previewAction
ENYO-3082: launch preview directly from EnyoEditor
ENYO-3082: updated closeDoc trampoline
ENYO-3082: remove activeDocument attribute from Ares
ENYO-3082: close request from TabBar is now handled by EnyoEditor
ENYO-3082: Changed DocToolBar API to mention doc and not file
ENYO-3082: handle switch tab in EnyoEditor