- Check if gnocchi/ceilometer services are enabled
- Configures gnocchi service
- Update devstackGSG.rst to remove workaround
- Modulepath previously needed to be changed manually
- Add COLLECTD_{CEILOMETER,GNOCCHI}_ENABLED option
Change-Id: Ic644f53b53dcdbb92eef2c8ddf7d2888fc308797