use any registered extension
Merge pull request #667 from jbr/master

Alllow hubot scripts to be written in other languages
Version bump 2.7.3
Close trailing backtick
Prefer rediscloud over redistogo, because it's free plan includes persistence
Merge pull request #689 from github/heroku-redis-addon

Prefer rediscloud over redistogo for heroku
Add documentation on sending back a response within an HTTP listener
Add a toString to TextMessage so log messages are meaningful
Ex:
DEBUG Message '[object Object]' matched regex //^[@]?Hubot[:,]?\s*(?:PING$)/i/
becomes:
DEBUG Message 'hubot ping' matched regex //^[@]?Hubot[:,]?\s*(?:PING$)/i/
Add missing information about external scripts on docs/README
Specify a User-Agent for Campfire, to avoid as strict rate limiting
Include user agent here too
Merge pull request #699 from github/campfire-adapter-user-agent

Campfire Adapter User-Agent
Version bump to 2.7.4
UPdate change log
Merge pull request #701 from github/release-2.7.4

Release 2.7.4
Guard against nil robot
Merge pull request #702 from github/campfire-adapter-user-agent

Campfire Adapter User Agent: Guard against nil robot
Version bump to fix my fuck up
Fix version in CHANGELOG.md

This change is at v2.7.5 not v.2.7.4.
Merge pull request #695 from dblandin/http-listener-response-doc

Add documentation on sending back a response within an HTTP listener