message: utils: rearrange index import/exports
diff: import win from './window';
  -import browser from './browser';
  -import Signals from './Signals';
  -import * as arr from './arr';
  -import * as dom from './domUtils';
  -import raf from './raf';
  -import extend from './extend';
  -import clone from './clone';
  -import getOriginXY from './getOriginXY';
  -import hypot from './hypot';
  -import * as is from './is';
  -import pointer from './pointerUtils';
  -import rect from './rect';
  -import events from './events';
  export function warnOnce (method, message) {
  let warned = false;
  @@ -53,19 +40,25 @@ export function copyAction (dest, src) {
  return dest;
  }
  +import * as arr from './arr';
  +import * as dom from './domUtils';
  +import * as is from './is';
  +
  export {
  - Signals,
  + win,
  arr,
  dom,
  - extend,
  - clone,
  - getOriginXY,
  - hypot,
  is,
  - pointer,
  - rect,
  - raf,
  - win,
  - browser,
  - events,
  };
  +
  +export { default as browser } from './browser';
  +export { default as Signals } from './Signals';
  +export { default as raf } from './raf';
  +export { default as extend } from './extend';
  +export { default as clone } from './clone';
  +export { default as getOriginXY } from './getOriginXY';
  +export { default as pointer } from './pointerUtils';
  +export { default as rect } from './rect';
  +export { default as events } from './events';
  +export { default as hypot } from './hypot';
  +export { default as normaizeListeners } from './normalizeListeners';
  