weekly merge master -> stabilization
Crowdin injection w2 (Lithuanian on 20140109)
Crowdin injection w3 (from 20140115 to 20140116)
CAL-852 Critical and blocker violations in Sonar
CAL-830: Cannot switch between view if calendar portlet locates in a page whose name contains accent character

Fix description
	- Use onclick to call ajax function
CAL-652 Attach ics file with size of 0 in invitation email
CAL-836 End date suggestion default config not load as well
merge master <- stabilization