Bindings update for ODK 1.0.7.
Updated to Xamarin.Android 4.8.0.  This allows the purchase and receipt handling to be done entirely in C#, so PurchaseUtils is removed.
Receipt caching implemented.
async/await APIs are now complete.
Remove unnecessary log.
Fix receipt caching. Wasn't generating the correct JSON.
Add prerequisites and example
Added change for key.der file
Updated to ODK 1.0.8.
Added and tested caching of gamer UUID and receipts for offline use.
Updated for ODK 1.0.9.
- Added OuyaController.SetCursorBitmap().
- Added OuyaController.ShowCursor().
Remove timeout on RequestPurchaseAsync because it shows a user dialog.
Update version number to 1.0.9.1.
Add more try..catch around processing of gamer uuid.
Extended timeout from 5s to 30s.
Updated for ODK 1.0.10.
- Added OuyaFacade.RequestGamerInfoAsync().
- Added local caching of gamer info.
Added null check for product parameter to RequestPurchaseAsync.
Merge branch 'master' of https://github.com/KonajuGames/ouya-csharp
Added missing source added for the 1.0.10.0 release.
Replace internal use of the deprecated RequestGamerUuid with the new RequestGamerInfo.
Added OuyaFacade.RequestCachedReceipts() so you can check the cached version immediately without waiting for the server call to possibly fail.
Merge branch 'master' of https://github.com/KonajuGames/ouya-csharp

Conflicts:
	Ouya.Console.Api/OuyaFacade.cs
Updated for ODK 1.0.13.
Removed reference to source file that no longer exists.
Merge branch 'master' of github.com:KonajuGames/ouya-csharp