merge master -> stabilization
Crowdin injection w4 (from 20140118 to 20140124)
Crowdin injection w5 - Update Chinese Simplified label on 20140125
Crowdin injection w6 (from 20140204 to 20140205)
CAL-837: Lost event/task title when time is smaller 30 min
CAL-825 Right click on a task or event is not working well
merge master <- stabilization