Fix: remove dead variable
Enhancement: add spec for nginx-app::configure
Enhancement: add stack name variable
Enhancement: add another test to confirm document root setting
Fix: remove include_recipe since its not used
Enhancement: add test to confirm nginx is notified of changes
Fix: Cloning resource attributes for template[...] from prior resource

Related: CHEF-3694
Enhancement: test to confirm correct source is set
Fix: resolve comment
Fix: rubocop offenses
Merge pull request #431 from till/t/nginx-app-configure-spec

T/nginx app configure spec