BUG: Remove SyncRecord debug printing.

Distracting in code that uses it to be on by default.
Merge pull request #179 from thewtex/syncrecord-coughing

BUG: Remove SyncRecord debug printing.
COMP: Ignore -Wstrict-overflow warnings with Superbuild VTK.

VTK5 has limited maintenance.  Clean up the dashboard.
Merge pull request #180 from thewtex/strict-overflow

COMP: Ignore -Wstrict-overflow warnings with Superbuild VTK.