Overview

• What project is this issue for?: broid-messenger , broid-schemas

• Is this a bug, security, feature request, or feedback: feature request

Get more informations about actor like gender and separate first_name, last_name.
Facebook provide the gender, and in lot of language (French for example), we need to know the gender to adapt grammar rule when we are speaking to woman.

Separate first_name and last_name will allow to easily call the user by his first name.