Add OpenJDK Headless + PIP / awscli (for artifact uploads)
Add SBT, Scala and tweaks.
Merge pull request #5 from Sutto/master

JDK, Scala, SBT, awscli
Fix for java.
Varies tweaks

- Updated to Ubuntu 14.04
- Added sqlite
- Updated Vagrantfile to use APIv2
- Added a Dockerfile step to add ssh keys
Corrected ubuntu package in README [ci skip]
Updated docker install instructions [ci skip]