Updated AFNetworking to version 2.4.1 to fix crash when building in Xcode 6

src/ios/AFNetworking/AFURLResponseSerialization.h

@@ -1,6 +1,6 @@
 // AFSerialization.h
 //
-// Copyright (c) 2013 AFNetworking (http://afnetworking.com)
+// Copyright (c) 2013-2014 AFNetworking (http://afnetworking.com)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -28,7 +28,7 @@
 
  For example, a JSON response serializer may check for an acceptable status code (`2XX` range) and content type (`application/json`), decoding a valid JSON response into an object.
  */
-@protocol AFURLResponseSerialization <NSObject, NSCoding, NSCopying>
+@protocol AFURLResponseSerialization <NSObject, NSSecureCoding, NSCopying>
 
 /**
  The response object decoded from the data associated with a specified response.
@@ -73,12 +73,12 @@
 
  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
  */
-@property (nonatomic, strong) NSIndexSet *acceptableStatusCodes;
+@property (nonatomic, copy) NSIndexSet *acceptableStatusCodes;
 
 /**
  The acceptable MIME types for responses. When non-`nil`, responses with a `Content-Type` with MIME types that do not intersect with the set will result in an error during validation.
  */
-@property (nonatomic, strong) NSSet *acceptableContentTypes;
+@property (nonatomic, copy) NSSet *acceptableContentTypes;
 
 /**
  Validates the specified response and data.
@@ -116,6 +116,11 @@
  */
 @property (nonatomic, assign) NSJSONReadingOptions readingOptions;
 
+/**
+ Whether to remove keys with `NSNull` values from response JSON. Defaults to `NO`.
+ */
+@property (nonatomic, assign) BOOL removesKeysWithNullValues;
+
 /**
  Creates and returns a JSON serializer with specified reading and writing options.
 
@@ -245,7 +250,7 @@
 /**
  The component response serializers.
  */
-@property (readonly, nonatomic, strong) NSArray *responseSerializers;
+@property (readonly, nonatomic, copy) NSArray *responseSerializers;
 
 /**
  Creates and returns a compound serializer comprised of the specified response serializers.
@@ -255,3 +260,43 @@
 + (instancetype)compoundSerializerWithResponseSerializers:(NSArray *)responseSerializers;
 
 @end
+
+///----------------
+/// @name Constants
+///----------------
+
+/**
+ ## Error Domains
+
+ The following error domain is predefined.
+
+ - `NSString * const AFURLResponseSerializationErrorDomain`
+
+ ### Constants
+
+ `AFURLResponseSerializationErrorDomain`
+ AFURLResponseSerializer errors. Error codes for `AFURLResponseSerializationErrorDomain` correspond to codes in `NSURLErrorDomain`.
+ */
+extern NSString * const AFURLResponseSerializationErrorDomain;
+
+/**
+ ## User info dictionary keys
+
+ These keys may exist in the user info dictionary, in addition to those defined for NSError.
+
+ - `NSString * const AFNetworkingOperationFailingURLResponseErrorKey`
+ - `NSString * const AFNetworkingOperationFailingURLResponseDataErrorKey`
+
+ ### Constants
+
+ `AFNetworkingOperationFailingURLResponseErrorKey`
+ The corresponding value is an `NSURLResponse` containing the response of the operation associated with an error. This key is only present in the `AFURLResponseSerializationErrorDomain`.
+ 
+ `AFNetworkingOperationFailingURLResponseDataErrorKey`
+ The corresponding value is an `NSData` containing the original data of the operation associated with an error. This key is only present in the `AFURLResponseSerializationErrorDomain`.
+ */
+extern NSString * const AFNetworkingOperationFailingURLResponseErrorKey;
+
+extern NSString * const AFNetworkingOperationFailingURLResponseDataErrorKey;
+
+