Merge branch 'wdfn-768' of code.usgs.gov:dswilliams/waterdataui into wdfn-768

assets/src/scripts/d3-rendering/legend.js

-import config from 'ui/config';
+import config from 'ui/config'; 
 import {mediaQuery} from 'ui/utils';
 
 const RECTANGLE_MARKER_WIDTH = 20;

assets/src/scripts/d3-rendering/legend.test.js

-import {select} from 'd3-selection';
+import {select} from 'd3-selection'; 
 
 import * as utils from 'ui/utils';