Merge the following releases from the fireworks branch:

26432
 - Added TGLSAViewer::DeleteMenuBar().

26444
 - TGLSAViewer - use a steering flag for menu-bar destruction.

26468
 - TEveCaloDataVec - option to define XY axis from cells themselves.

26481
 - TEveCaloDataVec - bugfix;
 - show the new feature in cms_calo*.C tutorials.

26523
 - TEveWindow - new classes for management of EVE vindows;

26524
 - missing include.

26557
 - TEveWindow:
   - support hiding of title-bar directly from frame; render decollapse box
     when hidden;
   - bind context menu to Action/IconBox button;
   - consistent usage of simple frame-style.


git-svn-id: http://root.cern.ch/svn/root/trunk@26561 27541ba8-7e3a-0410-8455-c3a389f83636