Explicitly set the keystone admin password.
Explicitly set the keystone admin password.

Goes with this change,
https://github.com/hpcloud-mon/ansible-monasca-schema/pull/12

Change-Id: I94297a67e7e578e5b4d66f73adfd639a56948e67

srsakhamuri/monasca-ansible-scripts,srsakhamuri/monasca-ansible-scripts,srsakhamuri/monasca-ansible-scripts