fixes #2472 - prevent duplicate users from hostgroup ancestors
Fixes #2406 - add recent report summary to dashboard latest events box
fixes translator comment
fixes #2475 - search hosts based on comments
fixes #2426 - translate model and column names to English
fixes #2401 - cannot create new admin user
Fixes #2459 - Create ProxyFeature methods from symbol name, lookup on real text
Fixes #2461 - Allow user to not have a puppet proxy
fixes #2420 - extract strings for i18n from JavaScript, various i18n fixes