Allow creating a Buffer / VertexBuffer with an existing DataBuffer
Allow creating a Buffer / VertexBuffer with an existing DataBuffer

sebavan/Babylon.js,BabylonJS/Babylon.js,BabylonJS/Babylon.js,RaananW/Babylon.js,RaananW/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js,sebavan/Babylon.js,BabylonJS/Babylon.js