Requires:
~~~~~~~~~
-
New features:
~~~~~~~~~~~~~
- Added the method getDataModel() on CPSDocuments.
- Flash Animation content type
Bug fixes:
~~~~~~~~~~
- Fixed the schema used by the Photo Widget by adding the required fields.
- has_search_box widget from book layout: fixed edit label's French 
  translation, remove unnecessary required attribute.
- Made the transition comments propagate through the modify action.
- When deleting a flexible widget, corresponding attribute on object was set to
  None: it is now deleted.
- Fix CPSDocument.SearchableText() with non FTI
New internal features:
~~~~~~~~~~~~~~~~~~~~~~
- Added comment: _constructInstance's job is not to index the object.
- Fix bug on SeachableText() and add a unit tests on CPSDocument.getDataModel()
