to replace hand-rolled version Change-Id: Ie4e66d2f1f893c04be589877ef53f470ca74c9eb
UI rewrite, toolbars, menus, UNO stuff, including accelerators and interaction, etc. See also: [http://wiki.openoffice.org/wiki/Framework] Notable files: [git:framework/source/services/backingwindow.hxx] Layout of the Startcenter buttons and the corresponding event handler.