[runtime.cpp] Refactored cpp runtime
- Refactored initialization process
- Fixed RTObject double deleting children
- Sub actors are now static members
- Added ReplicatedActorClassBase for replicated Actors
[generator.cpp] Modified ActorClassGen and NodeGen to fit the runtime
changes

Change-Id: I4fc5835c24330a27d00eafbf71dc412a987ec219
36 files changed