language update refs #3430
Merge pull request #52 from piwik/translationupdates

automatic translation update
refs #3813 don't show row actions if available window width is less then 600px
Remove Smarty class
Remove Smarty plugins
Core Updater with new layout (removed header/footer)
Converted CoreUpdater to Twig (except cli_ templates)
Converted Example Plugin (should be REFACTORED - horrible example code)
Converted Feedback plugin to Twig
Partially converted UserCountry plugin to Twig
sparkline and postEvent functions are now considered safe
Merge branch 'master' into 2.x-twig