Bug 935877 - Enable Lightbeam tile for more locales

Added locales: ar, ca, eu, mk, nl
Merge pull request #1385 from flodolo/bug935877_morelocales

Bug 935877 - Enable Lightbeam tile in home for more locales
Fix bug 923217 - add CTA link for Hungary
Bug 900426 - tabzilla.js: 200 instead of 304