Updated openstack/openstack
Project: openstack/tempest  dee3e4079946f9591602c4becbd6a7beb75715c0
null
Use lower case true/false in the sample config file

Using lower case true/false in the etc/tempest.conf.sample for
consistency.

Change-Id: Ic85d29ad0f865203be23c286bdf317bea84851a9