Added new collada example to examples list.

examples/index.html

@@ -163,6 +163,7 @@
 				"webgl_loader_assimp2json",
 				"webgl_loader_collada",
 				"webgl_loader_collada_keyframe",
+				"webgl_loader_collada_skinning",
 				"webgl_loader_ctm",
 				"webgl_loader_ctm_materials",
 				"webgl_loader_json_blender",