Preparations for dynamic models.
Made preparations for a spatial tree refactoring.
SceneGroups no longer take the factories. It is expected that they are added in the constructor
Events are now fired correctly.
The processor inside the SceneGroup is now auto_ptr.

To make it clear that the SceneGroup is the owner of the actual memory
of the processors.
Preparations for the merge of SceneNode and SceneGroup
Preparations for removing the processor factories.
Renamed and removed the factory header- and source files.
SceneGroup's are now SceneNode's

SceneGroup's can now have components,
Groups can now have components.

Fixed invalid headers.