Fixes #3268: Fixed the bug that the schema name in a table name was not respected by `yii\db\mysql\Schema`

Fixes #2906: Added support for using conditional comments for js and css files registered through asset bundles and Html helper

fixes #3255

Fixes #3230: Added `yii\filters\AccessControl::user` to support access control with different actors

property can be set via [[setComponents()]]

$_SERVER['SERVER_PROTOCOL'] returns 'HTTP/1.0' or 'HTTP/1.1'

fixes #3118

[ci skip]

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