Puppet changes to configure the default 5G filesystem for gnocchi.
Gnocchi storage moves from /opt/cgcs/ceilometer/data to /opt/gnocchi.
Story: 2002825
Task: 24240
Depends-On: https://review.openstack.org/#/c/590449/
Change-Id: If943278d9aaaafe2bfa1f24017499fff6b3e0ecc
Signed-off-by: Angie Wang <angie.wang@windriver.com>