PF-16

- Add Procfile to Heroku
- Use ${DATABASE_URL} to define the database
- Add setup_env.sh to set DATABASE_URL up
PF-16

- Deploy SBT Junit XML plugin into Artifactory
PF-16

- Switch to using Sonatype Nexus for retrieving custom plugin
PF-16

- Incorrect dependency
- Remove superfluous db.default.user param from application.conf
PF-16

- Add -DapplyEvolutions.default=true to allow application of Evolution on Heroku
PF-16

- Improve formatting of JSON