Updated openstack/openstack
Project: openstack/heat  b630251b2814dfdd368e343040bf906e65455a5e

Use the template module to access the Template class

i.e. stop using parser.Template
this imports the template module as "templatem" to avoid
namespace clashes with the many local variables called "template".

Change-Id: I97cc893f630e46589ee71fc73c6bbbcaa86b3a62