latest fixes on ronald branch, call by reference and basic struct support
Merge branch 'master' of https://github.com/ciplogic/CodeRefractor into ronald

Conflicts:
	Common/CodeRefractor.RuntimeBase/Backend/ComputeClosure/MetaLinkerClosureComputing.cs
	Common/CodeRefractor.RuntimeBase/Backend/TypesClosureLinker.cs
	Common/CodeRefractor.RuntimeBase/MiddleEnd/MethodInterpreter.cs