fixes #3118

Fixes #1263: Fixed the issue that Gii and Debug modules might be affected by incompatible asset manager configuration

apply pagination and sorting to a clone of it.

allow using it from the gridview directly

Fixes #3204: `yii\di\Container` did not handle the `$config` parameter well in case when it does not have a default value

Moved line and added author. Fixes #3198

Fixes #3121: `yii\base\Application::bootstrap` may fail to load some components if they are specified as class names

Fixes #3042: `yii\widgets\Pjax` should end application right after it finishes responding to a pjax request

Fixes #3066: `yii\db\mssql\Schema::getTableSchema()` should return null when the table does not exist.

Replaced `clearAll()` and `clearAllAssignments()` in `yii\rbac\ManagerInterface` with `removeAll()`, `removeAllRoles()`, `removeAllPermissions()`, `removeAllRules()` and `removeAllAssignments()`

Fixes #3091: Fixed inconsistent treatment of `Widget::run()` when a widget is used as a container and as a self-contained object