Remove framework assembly versions.
Issue #452: Changes to enable validation for objects generated by InputFormatters. UnitTests + FunctionalTests for the same.
Make RouteDataActionConstraint be POCO only
Issue #1176: Renaming ActionDescriptor, ActionDescriptorProvider, ActionInvoker, ActionInvokerProvider, ActionExecutor, ModelBuilder, Tests. Either dropping "Reflected" or changing it to "Controller" depending on the context.
Adding WebApi compat shim