R CMD check issues with k.read.base #45
Usage issues #49
Check fail o2.at.sat #47
Check fail metab documentation #46
Check fail o2.at.sat #47

Merge remote-tracking branch 'upstream/master'

Conflicts:
	R/o2.at.sat.R
	man/o2.at.sat.Rd
merge w/ Luke's commits
Merge pull request #51 from jread-usgs/master

as CRAN issue fixes