Bug 1066266 - Add some stage/prod specific files to gitignore
Bug 1066266 - Add some stage/prod specific files to gitignore

To ignore:
deployment/update/commander_settings.py
treeherder/webapp/media/revision

tojon/treeherder,moijes12/treeherder,glenn124f/treeherder,kapy2010/treeherder,deathping1994/treeherder,tojon/treeherder,jgraham/treeherder,adusca/treeherder,akhileshpillai/treeherder,rail/treeherder,deathping1994/treeherder,glenn124f/treeherder,vaishalitekale/treeherder,sylvestre/treeherder,wlach/treeherder,kapy2010/treeherder,tojonmz/treeherder,avih/treeherder,adusca/treeherder,vaishalitekale/treeherder,moijes12/treeherder,avih/treeherder,jgraham/treeherder,moijes12/treeherder,tojonmz/treeherder,edmorley/treeherder,vaishalitekale/treeherder,avih/treeherder,deathping1994/treeherder,sylvestre/treeherder,sylvestre/treeherder,parkouss/treeherder,deathping1994/treeherder,gbrmachado/treeherder,gbrmachado/treeherder,vaishalitekale/treeherder,sylvestre/treeherder,rail/treeherder,gbrmachado/treeherder,tojonmz/treeherder,wlach/treeherder,akhileshpillai/treeherder,rail/treeherder,sylvestre/treeherder,parkouss/treeherder,tojon/treeherder,deathping1994/treeherder,kapy2010/treeherder,kapy2010/treeherder,adusca/treeherder,KWierso/treeherder,tojonmz/treeherder,wlach/treeherder,deathping1994/treeherder,wlach/treeherder,glenn124f/treeherder,sylvestre/treeherder,jgraham/treeherder,gbrmachado/treeherder,parkouss/treeherder,rail/treeherder,KWierso/treeherder,moijes12/treeherder,rail/treeherder,akhileshpillai/treeherder,edmorley/treeherder,gbrmachado/treeherder,adusca/treeherder,vaishalitekale/treeherder,tojonmz/treeherder,kapy2010/treeherder,adusca/treeherder,parkouss/treeherder,adusca/treeherder,edmorley/treeherder,rail/treeherder,moijes12/treeherder,glenn124f/treeherder,avih/treeherder,wlach/treeherder,tojon/treeherder,edmorley/treeherder,moijes12/treeherder,wlach/treeherder,glenn124f/treeherder,jgraham/treeherder,glenn124f/treeherder,KWierso/treeherder,avih/treeherder,jgraham/treeherder,akhileshpillai/treeherder,parkouss/treeherder,parkouss/treeherder,gbrmachado/treeherder,vaishalitekale/treeherder,tojonmz/treeherder,akhileshpillai/treeherder,akhileshpillai/treeherder,KWierso/treeherder,jgraham/treeherder,avih/treeherder