Merge pull request #21 from cschroed-usgs/master

Improved documentation.
Added example biodata xml doc, helper function, and link to prototype.
Merge branch 'master' into WATERSMART-117
Added test for bug in NWCUI.data.DataSeriesStore and rewrote parser to pass test.
Increased test coverage.
Merge pull request #22 from cschroed-usgs/master

Defaulted BioData Sites layer to off.
Added biodata site selection to ui.
Added ability to send user to BioData Retrievals with preselected sites.
Improved help dialog display.
implemented buggy control switching functionality.
Fixed site/huc selection control switching functionality.
Enabled csv download of raw data as returned from the SOS GetObservation response. The lowest-hanging-fruit solution was to implement with time series separated on a per-file baseis.
Merge pull request #23 from cschroed-usgs/WATERSMART-187

Watersmart 187
Merge pull request #24 from cschroed-usgs/WATERSMART-117

Watersmart 117
Merge pull request #25 from cschroed-usgs/WATERSMART-109

Watersmart 109 - (branched off of WATERSMART-117)
Renaming local variable 'window' to 'win' to avoid global/local confusion.
Merge pull request #26 from cschroed-usgs/WATERSMART-185

Renaming local variable 'window' to 'win' to avoid global/local confusion
Cleanup from isuftin's code review.
Merge pull request #27 from cschroed-usgs/WATERSMART-117

Cleanup from isuftin's code review.
Added csv column headers.