Extensions were added twice
Updated changelog
add autocomplete for model class field
fix to "You don't want to generate model class name if it is already entered."
ajax removed
remove ajax from controller
fixed asterisk bug, update chanelog
fic changelog spaces
Adds twig lexerOptions to ViewRendererTest to demonstrate error
Fixes Twig lexerOptions throwing exception (#3877) and adds test for lexerOptions
SluggableBehavior initial implementation
concept configurations on russian and small typo fix to english version
Issue #3778 added to mongodb/CHANGELOG
Merge pull request #3945 from zxcq544/ru-docs-concept-configurations

ru docs guide/concept-configurations and small typo fix to english version
`yii\mongodb\Migration` created
SluggableBehavior updated
`yii\mongodb\console\controllers\MigrateController` created
SluggableBehavior phpDoc added
Data manipulation methods added to `yii\mongodb\Migration`
mongodb/CHANGELOG updated