* master: (27 commits)
  form wip
  form wip
  form WIP
  script WIP
  Minor change about twig alias.
  Added Controller::populate().
  Added bootstrap. form WIP
  form wip
  form wip
  Refactored UrlManager.
  refactored AccessControl
  activeform WIP
  Removed the $value parameter from radio and checkbox.
  Support alternative URL rule syntax.
  Support default standard component class.
  updated view renderers docs
  activeform wip
  Refactored view renderers.
  updated view renderers docs
  refactoring activeform.
  ...