Commit from laptop to sync up. No changes to palsar code.
Restructured curve fitting to allow for separate priors for each polarization band.

Merge branch 'master' of github.com:hardimanb/pecan

Conflicts:
	modules/data.atmosphere/DESCRIPTION
	modules/data.atmosphere/R/met2CF.Ameriflux.R
	modules/data.atmosphere/R/metutils.R