implement unsetMetadataValue() in Media
implement unsetMetadataValue() in Media

OskarStark/SonataMediaBundle,peterkokot/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,kyaroslav/SonataMediaBundle,vyshkant/SonataMediaBundle,bgaleotti/SonataMediaBundle,jerome-fix/SonataMediaBundle,sonata-project/SonataMediaBundle,peterkokot/SonataMediaBundle,jerome-fix/SonataMediaBundle,hug963/SonataMediaBundle,OskarStark/SonataMediaBundle,kyaroslav/SonataMediaBundle,bgaleotti/SonataMediaBundle,nicolasricci/SonataMediaBundle,hug963/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,rmzamora/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,hug963/SonataMediaBundle,nicolasricci/SonataMediaBundle,bgaleotti/SonataMediaBundle,vyshkant/SonataMediaBundle,phansys/SonataMediaBundle,phansys/SonataMediaBundle,nicolasricci/SonataMediaBundle,nicolasricci/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,nicolasricci/SonataMediaBundle,hug963/SonataMediaBundle,hug963/SonataMediaBundle,OskarStark/SonataMediaBundle,Soullivaneuh/SonataMediaBundle,peterkokot/SonataMediaBundle,vyshkant/SonataMediaBundle,vyshkant/SonataMediaBundle,OskarStark/SonataMediaBundle,rmzamora/SonataMediaBundle,rmzamora/SonataMediaBundle,jerome-fix/SonataMediaBundle,vyshkant/SonataMediaBundle,jerome-fix/SonataMediaBundle,bgaleotti/SonataMediaBundle