Update starc0.m

testing pull request
Update starc0.m
made changes to cwvcorecalc routine and uploaded new routine

corrected bugs in cwvcorecalc routine and copied new version into
gas_phase dir. changed old cwvcorecalc that was used initially in
SEAC4RS to cwvcorecalc_oldversion
commented spec_avg_cwv and changed version number
Merge remote-tracking branch 'origin/master' into Michal

Conflicts:
	c0/starc0.m
modification of cwv retrieval and sub-sequent gases subtraction routines
updated modified Langley for SEAC4RS
comments
updated latest NAS version
Readded the version_set to starc0
created irad_cal folder package
Merge remote-tracking branch 'origin/master'

Conflicts:
	c0/starc0.m
Small changes for plotting FOVs
Changes to FOV_scan for proper scattering angles
Fixed scatering angle, improved FOV plotting