Import updated Chatter Ur-objects from RWOT as they're completed

[saraht45]

As we move toward support for a broader range of gender identities, we need a more generalized Chatter Ur.

• Remove UrMale and UrFemale bodies
• Put gender-specific body parts in UrMainbody and make them visible when gender is selected
• Make facialhair visible when the facialhair property is set either through @traits/+traits/or some other system that alters appearance (merry:setprop function in UrMainbody)
• Update mainbody description to remove base:gender reference ("Sarah is a person" rather than "Sarah is a female").
• Figure out a solution for start clothing. Up to this point, it has been gender based. Add clothing options to start story?