Reverted perPixel premature removal.

src/materials/MeshPhongMaterial.js

@@ -56,6 +56,7 @@ THREE.MeshPhongMaterial = function ( parameters ) {
 	this.shininess = 30;
 
 	this.metal = false;
+	this.perPixel = true;
 
 	this.wrapAround = false;
 	this.wrapRGB = new THREE.Vector3( 1, 1, 1 );