[what] add entitlement for push-notification support
[what] remove not-used codes
[what] update storyboard
[what] handle push notification registration through Geoloqi API
[what] entitlement setup
[what] update AddDelegate for core-data support
[note] some minor modification of push-notification as well
[what] update storyboard and project setting
[what] update GroupTableViewController to support core-data fetch and refresh on table view