[Sofa.Core] Add BaseLink forwarding accessor.#208

damienmarchal merged 6 commits intosofa-framework:mastersofa-framework/SofaPython3:masterfrom

CRIStAL-PADR:pr-add-baselink-attribute-forwardingCRIStAL-PADR/plugin.SofaPython3:pr-add-baselink-attribute-forwardingCopy head branch name to clipboard