[3.x] Added asymetric visibility to ClassMetadata fields#2938

IonBazan merged 7 commits intodoctrine:3.0.xdoctrine/mongodb-odm:3.0.xfrom

krzysztof-ciszewski:read-only-class-metadata-fieldskrzysztof-ciszewski/mongodb-odm:read-only-class-metadata-fieldsCopy head branch name to clipboard