Merge pull request #38 from jread-usgs/master

addressing open issue 'does k.read really output m/day?'
fixing assignments = vs <-
added documentation and example for metab
Revert "fixing assignments = vs <-"

This reverts commit 02c7c447b2482d2f3c9a974f5a019403840bdf05.
roxygen made changes to a bunch of files, this was unintended
Revert "added documentation and example for metab"
this is the commit where roxygen made unintended changes
This reverts commit 26b98f3efcf40c0c928c276e2aeee6892ae8fe48.
reverting DESCRIPTION & NAMESPACE to before added documentation and example for metab
revert the revert 'fixing assignments = vs <-
adding back changes to metab and temp.kalman
change to temp.kalman related to docomentation
updated rd files via document()
getting rid of redundant (get.var throws error as well)