Update configuration script for MacOSX (Mavericks)

Also added versioned Hall C library to .gitignore
Fixed configuration issue  that caused segmentation fault on MacOSX
Implement 'scons cppcheck=1'

Generate cppcheck_report.txt in the top level directory.
Merge pull request #34 from brash99/develop_macosx

Implement 'scons cppcheck=1' functionality ... plus a few other minor updates