Added workflow skeleton for aquatic biodata.
Added skeleton biodata site selection map.
Adding Water Census Toolbar with biodata selection tool
Updated app module
Added function to dynamically load stylesheets.
Added aquatic bio map
Fleshed out aquatic biology step
Added required js files
Added check for existing stylesheet.
Merge pull request #19 from cschroed-usgs/WATERSMART-204

Watersmart 204