Add missing @return tag
Add missing @return tag

jordisala1991/SonataAdminBundle,peter-gribanov/SonataAdminBundle,greg0ire/SonataAdminBundle,peter-gribanov/SonataAdminBundle,jordisala1991/SonataAdminBundle,jordisala1991/SonataAdminBundle,Armstrong1992/SonataAdminBundle,greg0ire/SonataAdminBundle,Armstrong1992/SonataAdminBundle,greg0ire/SonataAdminBundle,osavchenko/SonataAdminBundle,sonata-project/SonataAdminBundle,osavchenko/SonataAdminBundle,osavchenko/SonataAdminBundle,greg0ire/SonataAdminBundle,sonata-project/SonataAdminBundle,osavchenko/SonataAdminBundle,jordisala1991/SonataAdminBundle,osavchenko/SonataAdminBundle,peter-gribanov/SonataAdminBundle,peter-gribanov/SonataAdminBundle