Merge pull request #13 from cgries/master

new create_site function
Merge pull request #14 from jread-usgs/master

get WFS for watershed
Here's a way to find your data no matter what OS. I would move int_data.R to inst/extdata.  I would also just put that list in data as a .RData file, and skip this all together.
Added double colon to dataRetrieval function.
added :: to dataRetrieval function.
Merge pull request #15 from jread-usgs/master

github install for dataRetrieval
Merge pull request #16 from ldecicco-USGS/master

Take it or leave it.
reverting