Patch by: Kevin Grignon

- group intrinsic actions of language change for all text into one Undo action
- secure <SwRootFrm::CalcRects(..)> - catch NULL pointer
- correct <CursorGuard> - really restore the cursor

Patch by: Tsutomu Uchino <hanya.runo@gmail.com>
Review by: Herbert Duerr <hdu@apache.org>

122397: - XCU file parsing: correct node containment check in case the node is not contained in root

- simplify AOO 3.4.x/OOo 3.x migration configuration

121435: Change Tracking - Accept and Reject dialog - on accessing redline by index assure that index has valid value

122331: adjust images used in download Windows installer - ooobitmap.bmp seems to be broken, ooobanner.bmp was too high

122397: extension migration - catch certain expection occuring during deployment of installed extension in order to continue the migration

122397: activate migration of AOO 3.4.x/OOo 3.x user profiles (incl. migration of wordbooks, basic macros and user-installed extensions)

stopper.
HOWEVER, this is a misuse of the translation system, such language dependent specialities does not belong in files that are sent to translation (removing [en-US] would mean it was not sent to translatation.