Handle the postgresql md5password in specs
Handle the postgresql md5password in specs

Current password in spec/classes/X_db_postgresql_spec.rb isn't generic,
and will cause spec to fails.
This patch aims to generate this value on the fly for the to be created
project.

Change-Id: I113e6143f4a714e079e79749b4034880e3bd1440

openstack/puppet-openstack-cookiecutter,openstack/puppet-openstack-cookiecutter,openstack/puppet-openstack-cookiecutter