Require files directory instead of autoload

This allows us to remove the containing `module` declaration and makes
the purpose of this file clearer.

Change-Id: I8503b3fdb3f27fd2b7f2dcf4c1f96189278388d3
Reviewed-on: http://gerrit.causes.com/36173
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>
Add basic Rubocop configuration

Change-Id: I34c5a906519d5a2f9b9d369719c91659dcfed0dd
Reviewed-on: http://gerrit.causes.com/36174
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>