Issue #2281635 by fubhy, er.pushpinderrana, EclipseGc, blueminds, tim.plunkett: \Drupal\Core\Plugin\Context\Context should use a ContextDefinition class instead of arrays.
Issue #2289095 by larowlan | pingers: Fixed Frontpage view, feed display renders the node comment form.
Merge remote-tracking branch 'origin/8.x' into mink-testing-2232861-larowlan