⏰ Add startup grace period for reaper

Resolves #119

⛅️ Cloud Cost Savings, Part One

This release centers around issues raised in #75, and makes it possible to host the system on two different CoreOS VMs in Amazon Web Services.

• Split up docker-compose files to allow running on two different machines
• Configuration for the larger host
• Add reaper service to shut down the kafka host when the system is idle (see #117)

Gateway: support color choice 🗳

Resolves #107.

Gateway: fix .env loading 😺

This release is a fix for .env file loading in the gateway service. (#97, #105)

Game Lobby 🏟

Updates and additions

• Gateway: add management of find public game and create private game (#93, #88)
• Gateway: lots of refactoring #93
• Fix timing of wait for opponent event (#93, #94)
• Adds a game lobby feature which supports queuing for a game with members of the public, or creating and sharing a link to a private game (#79, #78, #53, #62)
• Add color chooser application #83
• Cleans up some gross type tag annotations (#82 , #81)
• Cleans up the data model in gateway #80
• Cleans up log messages #91
• Remove useless type tags #82

Sabaki reference

This commit in Sabaki depends on BUGOUT v0.3.0.

History 📚

• Allow Sabaki to request the history of the game when white connects. This prevents a potential deadlock in the case where black makes a move before white connects. (#64, #76, Terkwood/Sabaki#16)
• Split up docker-compose files in preparation for a slimmed-down deployment. (#74)
• Clean up gateway dependencies. (#73)

Existence 🌻

Provides a stable system that allows two individuals to play Go over the web.