Install python-heatclient from source
This would help us use cross-dependency with python-heatclient
patches at the gate.
export DEVSTACK_GATE_TEMPEST_NOTESTS=1
export DEVSTACK_GATE_EXERCISES=0
export DEVSTACK_GATE_INSTALL_TESTONLY=1
+ export DEVSTACK_PROJECT_FROM_GIT=python-heatclient
export KEEP_LOCALRC=1
export PROJECTS="openstack/ceilometer $PROJECTS"
export PROJECTS="openstack/aodh $PROJECTS"
