Remove segmentation of limbs, because I don't like how the arms appeared to...

Remove segmentation of limbs, because I don't like how the arms appeared to shrink during some deformations. This makes the player mesh exactly like the one in MineCraft, and gives people more reasons to complain that we're copying it :P

Rename player to character, to avoid conflicting with the default player sprite

New skin by Jordach

Add licenses to readme for the model and skin

Fix bad mirroring of left arm for player model