In compute IHA make no_shared_storage a class parameter
In compute IHA make no_shared_storage a class parameter

This was suggested in I4d1908242e9513a225d2b1da06ed4ee769ee10f7
and it makes the no_shared_storage a class parameter so it can
be parametrized more easily.

Change-Id: I0a7cd7687feb2caa80e74329260ba3b063d223ee

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo