Created log in functionality, when you are clicking LogIn button app will send request for login.
Created class ParserToJSON (not good name) with method:
	+(NSData*)createJSONDataWithObjects:(NSArray*)objects keys:(NSArray*)keys
Added method in class RequestMaker:
	+ (NSURLRequest *)getLoginRequestWithURL:(NSString*)stringOfURL idOfURL:(int)Id data:(NSData*)data
Changed logic in RemoteAuthorizationProvider method + (void) logInWithLogin: (NSString*)login password: (NSString*)password responseBlock: (void (^)(BOOL isAuthorizated, UserRole*, NSError*))callback
Created methods in class RemoteAuthorizationProvider:
	+(void)createCookieStorageWithHeaderSetCookie:(NSHTTPURLResponse*)response
	+(NSString*)getToken:(NSString*)headerSetCookie
They get token and safe cookies.
Merge remote-tracking branch 'origin/master'