Fixed 2 mission associations
Fixed bug in broadcast controller.
added test for broadcast eligible user validation
refactored broadcast controller spec
added check for no possible recipients
added feature spec for option sets
upgraded selenium
fixed bug with updating standard copy option sets
added migration to fix broken option set fks
fixed bug in option set replication and tested
updated memcache info in install instructions
removed add opt level link in show mode
fixed option set/level spacing
added auto-focus and enter-submit to option set modals
comment
restricted mission and language change boxes when in non-get request
Merge branch 'develop' into staging