This change ensures that the apache ServerName is being set to
the **ansible_hostname** fact. This ensures the Apache web server
has an appropriate server name which is compliant to the RFC.
Change-Id: Ia48dcf07d903b63cd7e5afaa2598d24dbdcb9642
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
(cherry picked from commit dfd80ea8f8)