openstack/puppet-gnocchi: fix project description
openstack/puppet-gnocchi: fix project description

The puppet-gnocchi module moded from the stackforge namespace into the
openstack namespace.

Change-Id: Ia65dfa62e2c46fb5bcbca971e1fc2c498a101ebb

Tesora/tesora-project-config,openstack-infra/project-config,Tesora/tesora-project-config,dongwenjuan/project-config,noorul/os-project-config,dongwenjuan/project-config,noorul/os-project-config,openstack-infra/project-config