- Show Point Numbers as is_internal="1" and hook directly into a QT-checkbox
and thus bypass modifying the reader state.
- Same for Cache Mesh and Show Patch Names
- apply scaleFactor (eg, mm->m) in PV3 reader - this looks better when
overlaying with other objects
- stop segfault when paraview exits without deleting readers first
- remove patch/point text labels upon deletion
- combined client/server plugin instead of separate .so files
first experiment with adding panel decorations
- directory reorganization
