implemented mdns host discovery

Limelight/Computer.m

@@ -0,0 +1,22 @@
+//
+//  Computer.m
+//  Limelight
+//
+//  Created by Diego Waxemberg on 10/14/14.
+//  Copyright (c) 2014 Limelight Stream. All rights reserved.
+//
+
+#import "Computer.h"
+
+@implementation Computer
+
+- (id) initWithHost:(NSNetService *)host {
+    self = [super init];
+    
+    self.hostName = [host hostName];
+    self.displayName = [host name];
+    
+    return self;
+}
+
+@end