Added refresh functionality for a Complete implementation of Bluetooth

Changes:
- Changed ARMBluetoothViewController to subclass UITableViewController
- Hard-coded an activity indicator in the header of a section of table
view.
- Fixed issue #15
Closed issue #8: Copying bundle resources to documents directory at application launch.
 - Done in TestAppDelegate.m in function application:didFinishLaunchingWithOptions:
Fixed issue #20: User image wasn’t saved to the documents directory
Changes:
	- ARMPlayerInfo implements a new method: “bluetoothDidConnectGameTileWithName:imageTargetID:” that the bluetooth manager will call when it completes the data transfer with the game tile.