Implemented chainrouter
Add phpdocs, remove unneeded files
doc fix
Update Controller/SlugController.php
Update Entity/NodeVersion.php
Update Entity/NodeTranslation.php
url chooser _admin
fix form widgets - prefix can be empty
fix to prevent duplicate node translations
extraparams method
fix for slug preview in admin
Merge pull request #21 from Kunstmaan/fix/slug_preview

fix for slug preview in admin
Merge pull request #20 from Kunstmaan/feature/open_close_pagepart

extraparams method for parameters in the request
Merge pull request #18 from Kunstmaan/fix/duplicate_translations

fix to prevent duplicate node translations
editmode
added class input-append to urlchooser_widget
Merge pull request #22 from Kunstmaan/bootstrap_update

added class input-append to urlchooser_widget
added the class btn-group to the main_actions menu
added the class btn-group to the main_actions menu
Menu tab with : slug, weight and hidden from menu