SimpleCocoaVTK Xcode project now links properly

Added vtkRenderingCore_AUTOINIT and
vtkRenderingVolume_AUTOINIT definitions and a couple
of missing libraries, and now the SimpleCocoaVTK
Xcode project links and runs properly.

Change-Id: Ieeb9d2e691b92d07f653d571e7cd239fcc970681
Merge topic 'SimpleCocoaVTK-linking' into master

9385718b SimpleCocoaVTK Xcode project now links properly