add a 'type' (bdd/cd) to events, and put both types in the events dropbown
filter events so that bdd details page shows BDD events only
add course details for cd
make event ids include event type
add course types to list on dates page
change CD Kickstart date to 30 Sep-1 Oct. Adjust date formatting for courses spanning months.
remove promos from yaml files - looking to remove files
inline Course Title
inline twitter and website details
tidy up other unnecessary parameterisations, remove yaml files
Inline classes

So they're easier to find
Change Matt and Chris to 'Email the team'
Make sure links to existing details page will redirect
Fix down Ruby version for Heroku