Created http response class and added error checking

Limelight/Network/HttpResponse.h

@@ -0,0 +1,26 @@
+//
+//  HttpResponse.h
+//  Limelight
+//
+//  Created by Diego Waxemberg on 1/30/15.
+//  Copyright (c) 2015 Limelight Stream. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "Host.h"
+
+@interface HttpResponse : NSObject
+
+@property (nonatomic) NSInteger statusCode;
+@property (nonatomic) NSString* statusMessage;
+@property (nonatomic) NSData* responseData;
+
++ (HttpResponse*) responseWithData:(NSData*)xml;
+
+- (NSString*) parseStringTag:(NSString*)tag;
+- (BOOL)parseIntTag:(NSString *)tag value:(NSInteger*)value;
+- (BOOL) isStatusOk;
+- (BOOL) populateHost:(Host*)host;
+- (NSArray*) getAppList;
+
+@end