Fixed proxy registration for foreman_api 0.1.18+
Quote password field.  Otherwise a pass with non-alphanumeric characters
will fail.
Clean up tests

This replaces the deprecated include_class with contain_class and
removes the redundant rspec configuration.
refs #3752 - run db:seed after DB migration
Change from theforeman/apache to puppetlabs/apache
Remove the need for puppet-passenger