Beginning to add Water Year utilities into the application
Successfully pulled in WaterYearUtils into project. 

This should be pulled into its own JS module when time is available.
Merge branch 'master' into NAWQAAN-180
Added test specs to test the functionality for PlotUtils
getDataSplitIntoCurrentAndPreviousYears function
Updated documentation
site list changes
Merge branch 'master' into NAWQAAN-180

Conflicts:
	nar_common/static/nar_ui/tests/PlotUtilsSpec.js
Merge branch 'master' of github.com:USGS-CIDA/nar_ui into table
Merge pull request #152 from mwernimont/table

Table
Merge branch 'master' into NAWQAAN-180
Updated description on 'it' spec and renamed WaterYearUtilsSpec file
updated colors

re-formatted a bit, added entries for future colors ammonia and orthoP
Merge pull request #150 from isuftin/NAWQAAN-180

Nawqaan 180
added graph for nitrogen

also added unused constituents
remove unused class
rolling back
switch x axis labels to month/year
Merge pull request #153 from marsmith/NAWQAAN-173

NAWQAAN-173
Merge pull request #155 from marsmith/NAWQAAN-239

Nawqaan 239