SOS-2407 Fix language translation.
LPS-49602 Initial commit in order to support positional weekdays
LPS-49602 Get value from PositionalWeekday (instead of using PositionalWeekday itself)
LPS-49602 Months can be null
LPS-49602 The same logic of weekly- and monthly-repeated events should be applied to yearly-repeated ones
LPS-49602 Using BYMONTH every time month constraints are given
LPS-49602 SF
LPS-49602 Regenerate
LPS-49602 SF
SOS-2397 Should not delete MBThread when the user is deleted. Portal doesn't do so. MBthread are shared with other users.
LPS-49639 jsps don't compile
LPS-49188 Include missing language keys
LPS-49188 upper case
LPS-49188 lang keys
LPS-49640 Apply to mentions portlet
LPS-49640 Add missing import