Update input-validation.md
Fixes #5424: `Html::addCssStyle()` wasn't correctly setting style passed in array
Merge pull request #5427 from d0ct0r85/patch-1

[ci skip] Update input-validation.md
Added ability to operate nested and complex attributes via `yii\authclient\BaseClient::normalizeUserAttributeMap`
Additional check added to `yiiunit\extensions\authclient\BaseClientTest::testNormalizeUserAttributes()`
Update authorization guide

and Remove TBD from readme.md where it is no longer needed

close #5430
Fix spanish docs [skip ci]
Merge pull request #5437 from pana1990/guide-es

Fix spanish docs [skip ci]
Fixes #5423: `yii\behaviors\Cors` causes "undefined index" error when its `cors` is configured
Merge branch 'master' of git://github.com/yiisoft/yii2

Conflicts:
	framework/CHANGELOG.md