Refactor adding permissions and leader notifications
Merge pull request #181 from CruGlobal/MH-742

Refactor adding permissions and leader notifications
Try to improve Facebook callback loop issue

Mainly I just updated gems. I'm still seeing a 
double callback from FB, but it's not looping on 
my localhost now.
Downgrade libv8 so i don't have to deal with getting a new linux gem
Add Guard
Add linux version of gem
Comment out test that isn't in line with our current business rule
Add faculty (bridge only) and nationality as predefined questions
Merge branch 'master' into dev
Merge branch 'MH-741' into dev