First step of the refactoring to be able to provide platform specific assemblies.
Step 2 of the refactoring using shared libraries with a SL5 assembly
A separate assembly for Android
Separate assembly for Xamarin.iOS
New .NET 4 version of RestSharp.Portable
Use a shared AssemblyInfo for all the special variants
Cleanup and restructuring
Differentiate between iOS and MonoTouch
Use the SharedAssemblyInfo
Special variant for Xamarin.iOS and MonoTouch