Plotly 4.0.0 changed the default template, so the layout of the plots changed...which could be fine but with the currently layout of the site, it doesn't look as nice. This PR forces the theme back to what it was pre-4.0.0.
Coverage increased (+0.006%) to 80.46% when pulling ca8bff1fe72d8d00afc60e41e8e97d3080176fae on web_plot_template into d44b93da20858a437d4ade631eba9e1b53d83e67 on master.
Plotly 4.0.0 changed the default template, so the layout of the plots changed...which could be fine but with the currently layout of the site, it doesn't look as nice. This PR forces the theme back to what it was pre-4.0.0.