BlueprintParser refactor

@zdne Can you review this branch and merge it with `pksunkara/refactor`? I need this to be done in order to check for global duplicate in `ResourceGroupParser.h`.

Also, please check my questions on the diff below. Thanks.
> I don't think it should be done in this refactor.

Remember the purpose of this refactor is to bring a better, more manageable and scaleable architecture ...