Adding the port to gitlab-shell's config

This PR is only a squash of #169 

  * bad90fd Adding another resource dependency for 'setup gitlab database'
  * f54086c Adding the port to gitlab-shell's config
  * f7c059b Changing tests to match the config changes
  * 45c59d8 Updating more tests
  * 0d36045 Fixing a syntax error

Closes: #169