Changed to OnGUI per request.
Revert "Changed to OnGUI per request."

This reverts commit 4d8318f73da00eceaf7d208ff94230a729136ada.
Only send one MenuButtonUp per frame
Catch keyup event type.
Also use the event
Updated panel to also update the first activity name
Added IJoystickCalibrationListener.
Cleaned up a bunch of legacy input code. Adding just the mapping logic to the OuyaSDK where getting actual input is done with the Unity API. Removed legacy examples. OuyaController.cs adds support for a controller with only the mappings for that controller in a single file.
Added XBox360 mappings
Added playstation controller mappings