Squashed 'AFNetworking/' changes from b28651b..6eba3ad

6eba3ad Instead of duplicating code for each of the HTTP verbs I'm using one method which takes in an argument of HTTPMethod enum for the HTTP verb.

git-subtree-dir: AFNetworking
git-subtree-split: 6eba3ad25b91049111242083d0aace5a272ff1f3
Merge commit 'b208c228643544b5d2879e2cb907c6b8dbde3c1e'
In the process of converting AFIncrementalStore to using NSURLSession Managers