Custom colors (color wheel depends on count of gages).
Merge remote-tracking branch 'upstream/master'
Merge pull request #15 from ayan-usgs/master

server-side NGVD29 axes, merged in other changes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	dj_eden_app/hydrograph.py
	dj_eden_app/views/page.py
Partial fix for broken code that was merged from upstream, from pull
request #15.
More repairs.
Merge pull request #16 from rhayes-cida/master

Custom colors (color wheel depends on count of gages).
minor changes to hydrograph_query.html
Merge remote-tracking branch 'usgs_upstream/master'
Make convert_to_navd88_feet and vertical_conversion visible as
properties of Station.
Change hydrograph __main__ to use data queries.
Merge pull request #17 from rhayes-cida/master

Expose station_datum properties as (virtual) properties of Station.
added ngvd29 test
Merge remote-tracking branch 'usgs_upstream/master'

Conflicts:
	dj_eden_app/views/data_views.py
	tests/station_data_test.py
implemented improved NGVD29 conversion for matplotlib
added NGVD29 test to reduce likelihood of future errors