started implementing on-screen controls

- directional pad works
- a,b,x,y work

Limelight/Stream/StreamManager.m

@@ -10,6 +10,7 @@
 #import "CryptoManager.h"
 #import "HttpManager.h"
 #import "Utils.h"
+#import "OnScreenControls.h"
 
 @implementation StreamManager {
     StreamConfiguration* _config;