* 'master' of github.com:yiisoft/yii2:
  Refactored filter error display for GridView.
  Fixes #3008: Added `Html::errorSummary()`

fixes #3118

GridView filter error indication added (#3154)

[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

Fix the Y2K38 bug

Adds support for timestamps beyond year 2038.

Update yii.validation.js

Если длина строки не проходит валидацию, то выводим сообщение об этом, а не длину.))

Get gridview footer content after cells content