Squashed 'GCDNetworking/' changes from 4615a4c..cec6acf

cec6acf Removed support for CocoaPods

git-subtree-dir: GCDNetworking
git-subtree-split: cec6acfbafefea302e8ea8fe3fd490bfe7c5db54
Merge commit '97e054a26fed6dd1fa86036e4c3c911eab60ebc0'