Merge pull request #43 from jread-usgs/master

Big Roxy overhaul.
roxygen for metab.bayes
bookkeep roxygen documentation
adding metab.kalman to links
Roxy for metab.kalman
Merge remote-tracking branch 'upstream/master'
Roxygen for metab.mle function
typo
Adding documentation for metab.ole
o2.sat and alias Roxyfied