Wdfn 97 - Make Legend More responsive

Update selectors and tests to use new normalized state. TODO: Median stat data (whose tests are marked with "xit")

# Conflicts:
#	assets/src/scripts/components/hydrograph/index.js
#	assets/src/scripts/components/hydrograph/timeseries.js

Prepare for release

Wdfn 93 monitoring location questions link

Debug test mode

The --debug flag now sets the browserify debug variable to true. If the debug flag is not present, the istanbul transform is specified and the debug flag is not set. Updated test:watch to use the debug flag.

Wdfn 104