message: Don't animate shared els if scene unchanged
diff: @@ -60,7 +60,9 @@ class NavigationMotion extends React.Component<any, any> {
  }
  getSharedElements() {
  var {crumbs, oldUrl} = this.getStateNavigator().stateContext;
  - var oldSharedElements = this.sharedElements[oldUrl && oldUrl.split('crumb=').length - 1];
  + if (!oldUrl || crumbs.length === oldUrl.split('crumb=').length - 1)
  + return [];
  + var oldSharedElements = this.sharedElements[oldUrl.split('crumb=').length - 1];
  var mountedSharedElements = this.sharedElements[crumbs.length];
  var sharedElements = [];
  for(var name in mountedSharedElements) {
  