Fix "Brookhaven Style" L/R determination
  Compare wire coordinate, not wire number
Added ability to check required C header files to configure section

Invoked with 'scons checkheaders=1'

Also added cppcheck_report.txt to .gitignore
Tweak SOS drift chamber parameters
Add Plane number to each hit printed in THcDC::PrintSpacePoints
Do fSpacePointCriterion comparison correctly.
  Fix from Mark Jones with additional cleanup for
  saw's misunderstanding of space point criterion
Merge remote-tracking branch 'upstream/develop' into develop_macosx