Updated openstack/openstack
Project: openstack/heat  e0c91fbe42d5bb0c6dc17e6644ac1fb2151a7dd0
null
Fix syntax error in docs

There are several syntax errors in docs.
The patch will add missing punctuation, remove extra whitespace, and
change the "heat-api-engine" to "heat-engine" in heat-engine.rst.

Change-Id: I67dcad5e0e0a1f71a67ab8fc4311d96db4820c29