Revert "change app id back to hackatbrown2015-dev"
Revert "change app id back to hackatbrown2015-dev"

This reverts commit 19dc6b231a57821599cbc8d6441da61627e4cb1a.

hackatbrown/2015.hackatbrown.org,hackatbrown/2015.hackatbrown.org,hackatbrown/2015.hackatbrown.org