Bumping version to 2.5.3

AFNetworking.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'AFNetworking'
-  s.version  = '2.5.2'
+  s.version  = '2.5.3'
   s.license  = 'MIT'
   s.summary  = 'A delightful iOS and OS X networking framework.'
   s.homepage = 'https://github.com/AFNetworking/AFNetworking'

CHANGES

@@ -1,3 +1,11 @@
+= 2.5.3
+
+(See https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3)
+
+= 2.5.2 (2015-03-26)
+
+(See https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.2)
+
 = 2.5.1 (2015-02-09)
 
  * Add `NS_DESIGNATED_INITIALIZER` macros. (Samir Guerdah)