auth_file test
auth_file in controller role
added region and controller_node to auth_file
moved auth_file to profile, cleaned controller.pp
arrow alignment
Merge pull request #6 from bunchc/master

Adding auth_file.

Previously, the module did not create an auth file for automatically loading
environment variables into a shell environment. This patch provides a profile
that can create an auth file, then adds that profile to the control role.