added citation to the area calculation algorithm in the ``anima.env.mayaEnv.check_uvs()`` function.
added citation to the area calculation algorithm in the ``anima.env.mayaEnv.check_uvs()`` function.

eoyilmaz/anima,eoyilmaz/anima,sergeneren/anima,eoyilmaz/anima,sergeneren/anima,eoyilmaz/anima,sergeneren/anima,eoyilmaz/anima