v0.7.2: 34 render masks (#35)
* Issue #34: Update API to match new API in scikit-surgeryvtk VTKRenderingGenerator * Issue #34: Try fixup libxcb python path for Linux. * Verbose pytest for debugging * Skip problematic test on Github CI in Linux Co-authored-by: Matt Clarkson <m.clarkson@ucl.ac.uk>