CB-6340 - Adding rebroadcast capabilities to remote notification registration
within AppDelegate (closes #94)
CB-6287 - Add build script support for arm64
CB-6327: Allow '.' in plugin feature names (and therefore callback ids)
Minor release notes updates.
Add NOTICE file
Update Xcode .pbxproj files according to Xcode 5.1 recommendations
CB-6383 Fix copy-www-build-step.sh when user has macports installed

GNU find vs BSD find. ugh
Added NSLog notification for beginning backup to iCloud (closes #96)