[ios] - cleanup the cursor key handling a bit in preparation for hooking it (needed for ios7) - get rid of the XBMCApplication class and use UIApplication instead again
[ios] - fix cursor keys for ios7 - we need to hook into sendEvent or handleKeyUiEvent (ios7) to get the cursor keys from now on - as ios7 doesn't call that method in derived classes anymore
Merge pull request #4028 from Memphiz/iosbtcursors

[ios7] - fix cursor keys when using bt keyboard