Fixes #6398: Added support for specifying dependent component in terms of a configuration array for classes such as `DbCache`

to Active Field

fixes #6734

Fixes #6236: No JS scripts should be registered when `yii\widgets\ActiveForm::enableClientScript` is false

Fixes #4643: Extra options specified in `yii\widgets\Breadcrumbs::links` will be treated as HTML attributes for the generated hyperlinks

thanks to @pana1990

close #6060

Fixes #6018: When setting the `encode` option via `yii\widgets\ActiveRecord::errorOptions`, it works the other way around [skip ci]

Fixes #5587: `json_encode` is now used with `JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE` where it makes sense, also it is now default for `Json::encode()`

close #5455

Fixes #2380: Added `yii\widgets\ActiveForm::enableClientScript` to support turning on and off client side script generation

Fixes #5058: `yii\helpers\Html::activeCheckbox()` and `activeRadio()` will generate labels by default using the corresponding attribute labels

This widget usage is not only restricted with `Model` or associative array (see its `normalizeAttributes()` method)

Fixes #2914: `ActiveForm::fieldConfig` will be merged recursively with the `$options` parameter in `ActiveForm::field()`

Fixes #2380: `yii\widgets\ActiveForm` will register validation js even if there are not fields inside

Fixes #3240: Added support for assigning an anonymous function to `yii\widgets\ActiveForm::fieldConfig`

Updated yii.activeform.js to use the encode option introduced in #4122.
Updated ActiveForm with new option encodeErrorSummary

fixes #4690, close #4691