Add wait() to login test with wrong credentials to fix WebDriver test
Update logging.md

Currently `Yii::$app->log` is not the `yii\log\Logger`, but the `yii\log\Dispatcher`. Logger is transient component used indirectly and separately by the dispatcher and helper methods for logging.
Add SyslogTarget
Refactored AR find
Widget 'yii\authclient\widgets\Choice' renamed to 'yii\authclient\widgets\AuthChoice'
Microsoft Live OAuth2 client added.
Tabs replaced by spaces at AuthChoice asset files.
Merge pull request #2996 from hijarian/patch-1

Update logging.md
minor doc fix. [skip ci]
First round of edits

Pretty awesome feature!
Fixes #3016.
Added `isAssociative()` and `isIndexed()` to `yii\helpers\ArrayHelper`
Finished refactoring find() .
Merge branch 'master' into split-find-into-find-findOne-findAll
updated change log.
Merge pull request #3003 from yiisoft/split-find-into-find-findOne-findAll

Refactored AR find to fix #2999
Wrong placeholder in translation
auth guide fix
changelog fix.
Merge pull request #3021 from zelenin/auth-guide-fix

Authorization auth guide fix