this adds moldova (moldavian?) flag for layouts of keyboards and
refreshes some of the generic images for unknown, latin america, brail
and arabic "flag" images, and forces flag icons to be 2:1 aspect
ration with icon centered within that area to address T647
* disable all dummy wizard callbacks in pages
* shutdown callbacks in pages are now actually called
* pages are no longer shown repeatedly by xdg wait callback
* first page no longer accidentally the whole second page
* scaling initially set to 1.2 so the text is actually readable
* page states added so we have some idea where the hell the pages are at
ticket #1883
SVN revision: 79879