Merge pull request #1130 from ey6es/master

Temporary fix for Mavericks: ignore the per-vertex color on skinned meshes (they don't yet need them).

interface/resources/shaders/skin_model.vert

@@ -32,7 +32,7 @@ void main(void) {
     normal = normalize(gl_ModelViewMatrix * normal);
     
     // pass along the vertex color
-    gl_FrontColor = gl_Color;
+    gl_FrontColor = vec4(1.0, 1.0, 1.0, 1.0);
     
     // and the texture coordinates
     gl_TexCoord[0] = gl_MultiTexCoord0;