Fixes typo in help messages for Monasca client.
Fixes typo in help messages for Monasca client.

This patch add the missed ")" and "." at the end of help messages.

Change-Id: I4000477679c01e8991b93e73c11b601ef326c989

sapcc/python-monascaclient,stackforge/python-monascaclient,stackforge/python-monascaclient,sapcc/python-monascaclient,openstack/python-monascaclient,openstack/python-monascaclient