Added code to handle the annual_flow graph separate from the daily_flow.
The annual_flow is plotted using the barcharts so I created a new
function, createFlowPlot.js.
NAWQAAN-381; convert tons to million tons and label adjustements
Merge branch 'master' of https://github.com/USGS-CIDA/nar_ui into NAWQAAN-381
NAWQAAN-381; remove extraneous code
NAWQAAN-381; remove more extraneous code
Merge pull request #338 from mamcderm-usgs/NAWQAAN-381

Nawqaan 381
Merge pull request #336 from mwernimont/master

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Merge branch 'master' of github.com:USGS-CIDA/nar_ui into NAWQAAN-384
Fix for the bug where min flow is zero. If the min flow is zero, we will
now use the normal scale and formatting rather than the log scale.
Took out unneeded code from the flow duration plot. Now retrieving TN
discrete data rather than TKN for the hydrograph/flow duration plots.
Merge pull request #337 from mbucknell/NAWQAAN-384

Added code to handle the annual_flow graph separate from the daily_flow.