Build

• Use env vars
• Build pr when given the 'test this please' comments on Github issues (using Travis CI)
• Update version automatically using Git rev-parse

Akka

• Supervisor
• LoggingReceive
• Cluster?

Domain

• Non-breaking validation (sender, persister, updateScheduler)
• Convert UserProfile.GithubProfile.updatedAt, createdAt types to DateTime from String