Added initial version of post_watershed (not yet complete)
Finished post_watershed.
Merge branch 'master' of github.com:USGS-R/mda.streams
Merge pull request #26 from lawinslow/master

added post_watershed
Merge pull request #25 from cgries/master

added function download_timeseries
Post watershed fixed title
Merge branch 'master' of github.com:USGS-R/mda.streams
Merge pull request #27 from lawinslow/master

Watershed title
Merge branch 'master' of https://github.com/USGS-R/mda.streams

Conflicts:
	NAMESPACE