REFAC: SceneObjects and VisualModels can now be both added AND removed to the Renderer during runtime, new event based scene modification/observer pattern

REFAC: EventObject uses vector now, module sleep option, FemurObject, parallelFor max, clear some warnings

REFAC: KeyPressEvent renamed to KeyEvent, TetrahedralMeshRenderDelegate topology change fix, plane to surface mesh function added to geometry utility

prevent reserve from shrinking the the capacity

also adds unit tests for most of the DataArray and VecDataArray functionality
TBD: squeeze does not work as intended needs review

Fix bug in debugtriangleRenderdelegate where the data was not marked as 'unmodified' after an update