Rewrite of IsochoneUtils

Also an expansion to run cmd_2.2 like I run trilegal and match.
slight changes to angst_tables to make things happy.
minor
minor
minor edit to plotting TPAGB LFs
read from_p2m file
isotrack file reader ...

might not need it actually, might need to adjust tracks.
central MU calculation F4 reader
error in ability to read colored tracks ( eg .acs_wfc)
minor fixes for a sarah l sim
turkey-houston
seattle!!
doop de doo
minor edits to call match
minor new module to grab eeps from track sets.
minor edits to LF plotting for TPAGB
langley
double gaussian fitting
stellar prop in galaxies

following MATCH's stats
minor