* master: (157 commits)
  Fix phpdoc.
  fixed test break.
  refactor Exception::toArrayRecursive().
  Fix StringHelper::substr() call.
  Incorrect array representation when has previous
  Add data padding and key derivation.
  Fixed beforeCopy option.
  doc fix.
  Added missing beforeCopy option to FileHelper::copyDirectory
  Renamed ListViewBase → BaseListView
  Fixes #915: helper classes renamed again
  Renamed YiiBase to AbstractYii
  reverted doc change: the original one is correct.
  Renamed base helper classes
  Advanced application: added applying migrations to readme
  fixed typos
  Advanced application: init is now automatically called when installing via Composer
  Advanced application: init script can now be executed in non-interactive input mode
  Advanced application: fixed console return codes
  Fixed phpdoc
  ...