Add logout button
Merge remote-tracking branch 'origin/connect-to-backend' into Logout_Button
Corrected fb app id.  Don’t change this ID!
Logout button in user setting page is implemented
Merge remote-tracking branch 'origin/master' into Logout_Button
Fixed bundle ID for Facebook, so logout doesn’t lock you out.
Merge remote-tracking branch 'origin/connect-to-backend' into connect-to-backend
Beginning work to add pull-to-refresh in master view.
fix the problem of last cell cut off in the master view
Merge remote-tracking branch 'origin/master' into connect-to-backend
Fixed the add button to be of a normal, not Lilliputian size.
Merge remote-tracking branch 'origin/connect-to-backend' into determine_expired_poll_fixing
Pushing buggy determineExpiredPolls code so both Peggy and I can debug it.
Merge remote-tracking branch 'origin/determine_expired_poll_fixing' into connect-to-backend
Crash in determineExpiredPolls was related to string not being converted from JSON correctly. Fixed now
Merge remote-tracking branch 'origin/master' into connect-to-backend
merge with master