Bug 1254 - Added unit tests

 - + fixed MultipartReplyTranslator#getGroupActionsSupportBitmap()

Change-Id: Ie05f26b366da6e2edaf5ca6392b80ce81c018734
Signed-off-by: Michal Polkorab <michal.polkorab@pantheon.sk>
Merge "Bug 1254 - Added unit tests"