Did initial testing of hydrograph-data reducer.

...cripts/monitoring-location/components/hydrograph/index.js

assets/src/scripts/monitoring-location/index.js

assets/src/scripts/monitoring-location/iv-data-utils.js

.../src/scripts/monitoring-location/store/hydrograph-data.js

...cripts/monitoring-location/store/hydrograph-parameters.js

...scripts/monitoring-location/store/hydrograph-variables.js

assets/src/scripts/monitoring-location/store/index.js

assets/src/scripts/monitoring-location/store/time-zone.js

...s/src/scripts/monitoring-location/store/time-zone.test.js

assets/src/scripts/web-services/groundwater-levels.js

assets/src/scripts/web-services/instantaneous-values.js

wdfn-server/waterdata/services/timezone.py

wdfn-server/waterdata/templates/macros/components.html

wdfn-server/waterdata/templates/monitoring_location.html

wdfn-server/waterdata/views.py