new ui is almost fully functional

- add hosts
- pair to host
- get app list
- launch app
- resume app

Limelight/UIComputerView.h

@@ -9,8 +9,16 @@
 #import <UIKit/UIKit.h>
 #import "Computer.h"
 
-@interface UIComputerView : UIView
+@protocol HostCallback <NSObject>
 
-- (id) initWithComputer:(Computer*)computer;
+- (void) hostClicked:(Computer*)computer;
+- (void) addHostClicked;
+
+@end
+
+@interface UIComputerView : UIView
+
+- (id) initWithComputer:(Computer*)computer andCallback:(id<HostCallback>)callback;
+- (id) initForAddWithCallback:(id<HostCallback>)callback;
 
 @end