ignore idea files
any room can have a staging? list to work with

 - hipchat rooms each have their own unique staging list now
 - authorizing a room: add that room to the STAGING_ROOMS env variable on Heroku
removed .idea as it's developer specific, not project specific
ensure lowercase comparisongs
Merge pull request #8 from realgravity/es/staging_by_room

Es/staging by room