Fixes #4
formatting...
more cleanup of README
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Various significant refactoring including: reply to channel that request was made in; subscribe automatically to all channels (obsoleting HUBOT_KANDAN_CHANNELS parameter); better error handling; ignoring messages from ourselves by knowing who ourself is; subscribe to new channels that are created, unsubscribe from channels that are destroyed.
cleanup of readme
Merge pull request #5 from fusion94/master

Minor changes to docs...