IPAC-32 - Downgraded to Play 2.1.5 and sbt 0.12.2
IPAC-32 - Add assembly plugin
IPAC-32 - Add deploy.json
IPAC-32 - Add guardian sbt plugins
Merge pull request #3 from guardian/ipac-32-infrastructure

IPAC-32 - Configure project so it can be built and deployed