Merge pull request #6 from PatrickTulskie/master

Fix crasher with xmpp4r.
Bump version to 1.3.1.
Add #mention_format.
Bump version to 1.4.0.
Add config.adapter.ignore_unknown_users. Closes #8.
Bump version to 1.5.0.
Chomp whitespace after unknown user warning.
Parted/Joined robot triggers

- Added adapter triggering robot events for joining and parting rooms
- Changed #run to use the adapter #join instead of connector join_rooms
directly (so events get triggered)
- Changed #rooms visibility to public
- Specs refactor
pull request fixes

- JS style hashes
- no bin in .gitignore
- rooms visibility moved back to private
Merge pull request #9 from darkside/master

Parted / Joined robot triggers
Update README with new joined and parted events.
Bump version to 1.6.0.
Add debug log when trying to join a room where the robot is already present.
Delete the hash entry for a muc when parting.
Bump version to 1.6.1.
Fix local jump error in Callback#muc_message.
Bump version to 1.6.2.
Add RSpec task to Rakefile.
Update for Lita 4.
Bump version to 2.0.0.