Implement campfire connector and callback
Move all dependency requires into lita-campfire
Add Gemfile.lock
Refactor Connector

* Extract fetch_room method
Test Connector
Rip out dependency injection in Connector

It makes me feel worse than dependency coupling!
Use only TextMessages and PasteMessages
Test callbacks
Dry up Callback spec
Squash some whitespace in Connector spec
Merge pull request #1 from zacstewart/master

Implement Campfire handler