Barbershop update!

Adds barbershop items tested and such.
http://i.imgur.com/YOu7I80.gif
Barbershop example http://i.imgur.com/4UJoiRf.png
Thanks Paradise for the chairs.
I'll fix conflicts after they're merged, I wanted to make the PR.
This means that you can't attack people with scissors anymore. Add a check for targeting the head, or add a check for if they're in help intent. Better yet, help intent and targeting the head.