Fix pre_build_hook
Fix pre_build_hook

Replace the stackforge to the openstack refs

Change-Id: I488f360c9c593f831adb384750f43854bebdaaaa
Signed-off-by: Bogdan Dobrelya <0b23cd1e586d5f091fecb3391314c2b9ec1fd641@mirantis.com>

stackforge/fuel-plugin-ha-fencing,stackforge/fuel-plugin-ha-fencing