Remove comments provided by Rails
Initialise PostgreSQL database

For this to work, a role matching the app name must first be created
using

```shell
createuser -s -r plan_my_journey
```
Use Ruby 2.1.3
Install and setup rspec-rails 3.1.0
Configure Code Climate test coverage reporter
Install and configure Webmock

Code Climate needs to be whitelisted so that coverage reports can be
transmitted after the suite has run.
Install and configure Database Cleaner
Merge branch 'technical/walking_skeleton'