Issue #2329769 by lauriii, mortendk | davidhernandez: Move forum classes from preprocess to templates.
Issue #2347167 by eriksm: Fix space in comment in TourTestBasic
Issue #2272853 by webflo: Fixed CckFieldValues source plugin loses similar field values.
Issue #2344491 by tim.plunkett: Move ControllerBase::redirect() to UrlGeneratorTrait.