build box in vcloud itself
Merge branch 'master' of github.com:StefanScherer/vagrant-vcloud-box

* 'master' of github.com:StefanScherer/vagrant-vcloud-box:
  Link to Jenkins job config.xml
  No manual step for gsettings needed
  added screenshot
  Update README.md
  explain what's inside the box
  fixed to apply gsettings, added more tests