typo fix

1904 modal generator autocomplete fix

minor fixes

The scripts in asset bundles are now registered in `View` at the end of `endBody()`. It was done in `endPage()` previously

toolbar UI updates

Revert "Added `yii\base\Module::getParam($name, $defaultValue = null)`  to conveniently work with application parameters"

This reverts commit 3b95aa9c.

Improvements in exhibition of the changed files in Gii.

Added `yii\base\Module::getParam($name, $defaultValue = null)`  to conveniently work with application parameters

Moved most of the user-related logic into form models