don't load offline pages
Merge branch 'master' of git://github.com/Kunstmaan/KunstmaanSitemapBundle

* 'master' of git://github.com/Kunstmaan/KunstmaanSitemapBundle:
  use self.version for Kunstmaan Bundles
  Symfony 2.2 and Kunstmaan bundles 2.2.8.* dependency
  change to Symfony >=2.3.0,<2.4.0
  performance improvement by not loading the page from database, warning, I removed the structured node
composer.json