This adds the missing template so that we can display changes to the ERB
status in a study's timeline. This was a bit more complicated than it seemed
because we want to have some nice textual descriptions of the status changes
but they're managed in the admin so we can't hardcode them. I've added some
new fields to the ErbStatus model to store a description and whether to show
a red, green or grey icon for that particular stage.
This adds the missing template so that we can display changes to the ERB status in a study's timeline. This was a bit more complicated than it seemed because we want to have some nice textual descriptions of the status changes but they're managed in the admin so we can't hardcode them. I've added some new fields to the ErbStatus model to store a description and whether to show a red, green or grey icon for that particular stage.
Closes #103 For #18