Bring bootstrap script in line with pp-puppet
Set dev vm ip address to same as frontend-app-1

So that your hosts file doesn't have to be changed when switching
between the dev vm and the full vm set.
Add backdrop apps to Pinfile and Procfile
Update README
Change ip address of dev node to be unique

Use a specific environment yaml for development to override the
domain_name.
Merge pull request #4 from alphagov/add-backdrop

Add backdrop