Reformat heat.json

Change-Id: I4ed8e7445455f1ff52d559d2660bc81e8b5fcbc2
Add Bartosz Gorski to heat-core

http://lists.openstack.org/pipermail/openstack-dev/2013-December/022968.html

Change-Id: I5fa41541b2c98e3ac0bc7898f26de4d306d916bc