Don't throw up if string is nil
Kiosk Example will work with Xcode 4.6 for the time being.
fix casting issue
clean dead code
Better flat mode detection
Examples
Fix warnings in AFNetworking
Improve Base SDK check
Remove obsolete example
Merge branch 'refs/heads/master' into vic/sig-revisions
Moved revision delegate to app delegate and corrected back button when viewing revisions.