heat : heat repo moved to openstack

Main heat repo has now moved under the github openstack project
Note the old checkout will require removal to trigger stack.sh to
re-clone it from the new location

Change-Id: I4163e35cad7c319961d42f0c53a68ec6244508ed
Signed-off-by: Steven Hardy <shardy@redhat.com>
diff --git a/stackrc b/stackrc
index 9588cf9..39d34b0 100644
--- a/stackrc
+++ b/stackrc
@@ -97,7 +97,7 @@
 TEMPEST_BRANCH=master
 
 # heat service
-HEAT_REPO=${GIT_BASE}/heat-api/heat.git
+HEAT_REPO=${GIT_BASE}/openstack/heat.git
 HEAT_BRANCH=master
 
 # python heat client library