Network

This request removes all external (non apple) dependencies.

This includes a new CCHHTTPSessionManager which manages all NSURLSessions and NSURLRequest for the library.

- cocoapods has been removed
- the generated workspace has been removed
- all pod related folders, files, references, and build phases have been removed

I have left the podspec in the project to keep things backward compatible.  This will be eventually removed and replaced with new installation instructions. (hint: think framework)