stashes work
[ISSUE #180][WIP] adds functional facebook button
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C2_AmrARaouf_C2S01_facebook_signin

Conflicts:
	arability/Gemfile
	arability/config/routes.rb
[ISSUE #183][WIP] moves facebook connect button to settings view and adjusts its locale settings
[ISSUE #183][WIP] adds the certificate file for the server
[ISSUE #183][WIP] fixes facebook button
[ISSUE #183][WIP] adds spec files for testing
[ISSUE #183][WIP] fixes conflicts
[WIP][issue#178]facebook sharing score button has been implemented and integration with game view is pending
[WIP][#178]Facebook share score button has been implemented and integration with game views is pending
rtw
[WIP][#178]button has been modified to work on user's generated access token and post an arabic message
[ISSUE #180][WIP] reverts my deleted commit
[ISSUE #180][WIP] reverts my deleted commit 2
[ISSUE #184][WIP] fixes reverted commit in invite
[WIP][issue #178] documentation written
[ISSUE #184][WIP] reverting my deleted commit
[ISSUE #184][WIP] chcks for facebook connection and disconnection
[ISSUE #184][WIP] arabizes flash notices
[WIP][issue #178] integration with game views is progress