Initial commit for extras
Add auth_file class

This commit adds the auth_file class that had previously
existing in the now deprecated openstack module.
Adds test_file class

Adds the test_file class that is used to run
some basic openstack validation tests.
Add client class

That installs all client libs. This had formaerly
lived in the now deprecated openstack module.
Add puppet master building module

Adds code that can install a puppet master