Merge pull request #12 from fnva/master

OSX Projects cleaning
Impl & Rt project update.
Imply & Rt project update with frameworks.
Minor formatting change.
Project tidy-up - ignore state files.
Project tidy-up.
Update README.md
Ignore state files.
Target => iOS 7.1 / OS X 10.10 - using Linked Frameworks.
NSURLProtocol support in OS X and iOS