JJ Races

- added config to enable pvp mode (which does not let us see the username beyond the walls)
- added config to set the distance beyond which the username should not be seen
- added new tab to change the skin
- added new tab to set the height of the first person view
- added "Grell" breed
- added "Vinska" breed
- fix the "mirror" object and the "comb" object were not consumed correctly
- fix version cheker is now run in the packetsettingclient
- now the height of the nickname varies according to the breed
- render.pre event priority lowered from higt to lowest
- added layercape
- modified cape rendering with my own model