Fix scaling issue:
Fix scaling issue:

http://www.html5gamedevs.com/topic/27131-question-about-scaling-and-rotating-at-the-same-time/#comment-155761

abow/Babylon.js,NicolasBuecher/Babylon.js,Hersir88/Babylon.js,NicolasBuecher/Babylon.js,Kesshi/Babylon.js,RaananW/Babylon.js,jbousquie/Babylon.js,Hersir88/Babylon.js,Temechon/Babylon.js,jbousquie/Babylon.js,sebavan/Babylon.js,jbousquie/Babylon.js,RaananW/Babylon.js,abow/Babylon.js,Hersir88/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js,Temechon/Babylon.js,NicolasBuecher/Babylon.js,abow/Babylon.js,sebavan/Babylon.js,Temechon/Babylon.js,Kesshi/Babylon.js,BabylonJS/Babylon.js,BabylonJS/Babylon.js,BabylonJS/Babylon.js,Kesshi/Babylon.js