Merge pull request #15957 from millermedeiros/966516-picker-bigger-month

Bug 966516 - [B2G][Calender]Changing the month in an event doesn't update to the number associated with that month r=gaye
(cherry picked from commit 7dd74e8ca3c444daa8ad724c22aa212cacbe8fb9)

Conflicts:
	apps/calendar/test/unit/.jshintrc