fix #690 Adds shortnames for days in Russian
fix #692 Multiple modal dialogs not closing on ESCAPE

When two modal dialogs were open (the one on top of the other), the top one would close on ESCAPE. A second press of the ESCAPE key would not close the second.

Also, when closing a modal dialog, the focus should be given to the dialog below it, if there is one.
fix #702 PageEngine: can't use custom animation for page transition
feat #708 Dialog widget movable property

This commit add the possibility to bind the movable property of a dialog widget to the data model
fix #685 deprecate Tooltip/Dialog as containers

Close #686.
fix #716 button sprites renamed for new release:
each time an image is changed, it should be renamed with the version number because multiple AT installation could cause conflicts.
feat #711 Deprecation of section content and some refresh parameters:

  - Content is deprecated in favor of the macro usage,
  - filterSection and outputSection are deprecated in the $refresh, replaced by the section parameter.

Close #711
refactor Removing intermediate variable when calling Aria.classDefinition.

Some files are using an intermediate variable before calling
Aria.classDefinition or Aria.tplScriptDefinition.
This is useless, and can prevent some automatic tools from working on
those files.
This commit removes the intermediate variable, which makes Aria Templates
files more consistent.

Close #729.
fix #728 Headers should not be shared between request handler instances

JSONRequestHandler used to have a headers which were implicitly static,
causing issues when modifying those headers with
RequestHandler#getHeaders().
fix #727 Callback failure when submitting a JSON request should be handled in the framework.

Close #731