Stop using NSLog in internal functions because it seems to acquire a mutex that violates our locking order and causes deadlocks

Limelight/Input/ControllerSupport.m

@@ -25,7 +25,7 @@ static NSLock *controllerStreamLock;
         GCController *controller = [GCController controllers][i];
         
         if (controller != NULL) {
-            NSLog(@"Controller connected!");
+            printf("Controller connected!\n");
             controller.controllerPausedHandler = ^(GCController *controller) {
                 // We call LiSendControllerEvent while holding a lock to prevent
                 // multiple simultaneous calls since this function isn't thread safe.
@@ -117,7 +117,7 @@ static NSLock *controllerStreamLock;
         [ControllerSupport registerControllerCallbacks];
     }];
     self.disconnectObserver = [[NSNotificationCenter defaultCenter] addObserverForName:GCControllerDidDisconnectNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
-        NSLog(@"Controller disconnected!");
+        printf("Controller disconnected!\n");
     }];
     
     [ControllerSupport registerControllerCallbacks];

Limelight/Input/StreamView.m

@@ -19,7 +19,7 @@
     touchLocation = [touch locationInView:self];
     touchMoved = false;
     
-    NSLog(@"Touch down");
+    printf("Touch down\n");
 }
 
 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
@@ -38,10 +38,10 @@
 }
 
 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
-    NSLog(@"Touch up");
+    printf("Touch up\n");
     
     if (!touchMoved) {
-        NSLog(@"Sending left mouse button press");
+        printf("Sending left mouse button press\n");
         
         LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, BUTTON_LEFT);