use addDownloadStrategy instead of deprecated addDownloadSecurity (#1146)
use addDownloadStrategy instead of deprecated addDownloadSecurity (#1146)


OskarStark/SonataMediaBundle,nicolasricci/SonataMediaBundle,nicolasricci/SonataMediaBundle,jerome-fix/SonataMediaBundle,OskarStark/SonataMediaBundle,sonata-project/SonataMediaBundle,nicolasricci/SonataMediaBundle,nicolasricci/SonataMediaBundle,hug963/SonataMediaBundle,hug963/SonataMediaBundle,vyshkant/SonataMediaBundle,jerome-fix/SonataMediaBundle,vyshkant/SonataMediaBundle,vyshkant/SonataMediaBundle,OskarStark/SonataMediaBundle,vyshkant/SonataMediaBundle,OskarStark/SonataMediaBundle,hug963/SonataMediaBundle,jerome-fix/SonataMediaBundle,hug963/SonataMediaBundle,vyshkant/SonataMediaBundle,nicolasricci/SonataMediaBundle,hug963/SonataMediaBundle,jerome-fix/SonataMediaBundle