Install translation files for arora
The destination path is a bit 'funny' but that seems to be caused by
the fact that we're running under both embedded QT and embedded Linux
Set default arora language
Arora now starts up in the same language as NOOBS is running in
Ensure that Arora is displayed in English when NOOBS is in English
Make the language-chooser select the currently-used language
Merge pull request #77 from lurch/arora-translations

Arora translations
Add message box for user interaction when reformatting SD card if no MBR
is present (see #76)