typo
happy new year
shouldn't be set here.
see note at http://docs.docker.io/reference/builder/#env
upgrade is done upstream
cleanup and some documentation
Merge pull request #82 from DominikTo/patch-1

typos
setting default mojo_mode
added default value for CONVOS_REDIS_URL
Merge pull request #83 from DominikTo/patch-2

A few little Dockerfile tweaks
Fix all echoed messages should have hostname "localhost"
Add register-invite-only.t