Add translations and optimise the javascript via uglifyjs
Merge branch 'ga-dashboard' of git://github.com/Kunstmaan/KunstmaanDashboardBundle into ga-dashboard

* 'ga-dashboard' of git://github.com/Kunstmaan/KunstmaanDashboardBundle:
  Fixed avgPagesPerSession metric
  update
  update
  cleaned some code

Conflicts:
	Resources/views/GoogleAnalytics/tabs.html.twig