UnityEditor: change Project/Inspector icon of given objects

        // If icon is NULL resets the objects to their default icon
        static int SetObjectsIcons(List<Object> objects, Texture2D icon)
        {
            int totApplied = 0;
            MethodInfo setIconForObject = typeof(EditorGUIUtility).GetMethod("SetIconForObject", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
            MethodInfo getIconForObject = typeof(EditorGUIUtility).GetMethod("GetIconForObject", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
            Assembly unityEditorAssembly = typeof(Editor).Assembly;
            MethodInfo copyMonoScriptIconToImporters = unityEditorAssembly.GetType("UnityEditor.MonoImporter").GetMethod("CopyMonoScriptIconToImporters", BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
            foreach (Object obj in objects) {
                Texture2D currIcon = getIconForObject.Invoke(null, new object[] { obj }) as Texture2D;
                if (currIcon == icon) continue;
                totApplied++;
                setIconForObject.Invoke(null, new object[] { obj, icon });
                if (obj is MonoScript) copyMonoScriptIconToImporters.Invoke(null, new object[] { obj });
            }
            return totApplied;
        }