Prepare changelog (#6669)
Prepare changelog (#6669)


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