corrected vtk smart pointer usage
scanner center is now at 0,0,0
zucker
added missing timesteps
correctly rerouting call for null parent
Don't remove contours from DataStorage.

Remove interactor on deactivation. Add interactor on activation again.
Patch step for VTK 5.10

As in http://paraview.org/Bug/view.php?id=14122
Rename patch files (not Mac specific anymore)
Add a test case that verifies patch application
fix rms calculation of adc averag functor
add check box for enable output of RMS-Error images
Explicitly clean up service tracker on plug-in stop.
Test with offscreenrendering
Merge branch 'bug-15947-close-service-tracker-on-plugin-stop'

* bug-15947-close-service-tracker-on-plugin-stop:
  Explicitly clean up service tracker on plug-in stop.
Merge branch 'bug-16067-disable-contour-interaction'
Merge branch 'bug-15770-SignalProcessing_fix'
Fixed surface interpolation. surface is no longer hollow but there is still work todo. with this fix it is not possible to interpolate tubular structures
Merge branch 'bug-15503-hollow-surface-interpolation'
Merge branch 'bug-16076-patch-vtkrenderwindow-getsize-prevtk6'
Merge branch 'bug-16029-ScannerCenter'