Gallery2: HU translation

PS2: Correcting
PS3: Remove whitespace error
PS4: Triggering Cid
PS7: Prepare for merging

Change-Id: Ife0cfb9b440322048831d78597c05ded33c009a8
Merge "Gallery2: HU translation" into cm-10.2
Merge branch 'cm-10.2' into martincz