First pass at MRB Gulf Site load plot legend.
Merge branch 'master' into NAWQAAN-361
Tweaking legend display, ensuring uniform dialog height regardless of whether legend is displayed.
Removing unused style
Adding hover to sample concentration plot
Removing leaf and branch node icons
Change "Hydrograph and Flow Duration" to Hydrograph/Flow Duration" to help prevent it from hiding behind graph window.
switch the order of the Stream Flow options, Annual first.
Merge pull request #287 from cschroed-usgs/NAWQAAN-361

Nawqaan 361
Merge pull request #291 from cschroed-usgs/NAWQAAN-237

Nawqaan 237
The plot hovers for the load and concentration graphs now show water
year. The load data is rounded and formatted.

Added a utility to PlotUtils.js to format time series data using water
year.
Changed the labels on the load graphs.
Merge pull request #293 from mbucknell/NAWQAAN-61

Nawqaan 61
Merge branch 'master' of github.com:USGS-CIDA/nar_ui
remove db.sqlite3