ENH: generalise comparing volume geometries

Added CompareVolumeGeometry and call it from CheckForLabelVolumeValidity

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23761 3bd1e089-480b-0410-8dfb-8563597acbee
ENH: link resample and check methods, add a test

Added documentation links between the method that checks
for geometry mismatch and the one that resamples to fix it.
Added basic tests for the new logic methods.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23762 3bd1e089-480b-0410-8dfb-8563597acbee