Improved action filter and action execution flow by supporting installing action filters at controller, module and application levels

Added support to allow an event handler to be inserted at the beginning of the existing event handler list

fixes #2650

Fixes #2955: Changed the signature of ActiveQuery constructors and `ActiveRecord::createQuery()` to simplify customizing ActiveQuery classes

fixes #2957

fix for https://github.com/yiisoft/yii2/pull/2958