v5

Added

• Automated, PR-driven release process
• Development Dockerfile and make task
• CircleCI config with artifacts for every build
• --version flag to see version

Changed

• Base container is now Alpine
• Built entirely in Docker
• Moved to gliderlabs organization
• New versioning scheme
• Release artifact now saved container image

Removed

• Dropped unnecessary layers in Dockerfile
• Dropped Godeps for now