lgmpy: Lgm_TraceToEarth.py added along with a simple test
Merge branch 'master' of bigiron:/n/projects/lanl/LanlGeoMag
examples: minor warning cleanup
examples: memory leak fixes
Merge branch 'master' of /n/projects/lanl/LanlGeoMag
Append-mode updates on MagEphem Tools.
Merge branch 'master' of castiron:/n/projects/lanl/LanlGeoMag
HACKING: updated prereqs and notes for Mac install