+ [jsfm] supported inline event binding format

[Jinjiang]

supported both old and new version bundle format for event binding:

{
  type: 'foo',
  events: {
    'click': 'methodA', // old version: onclick="methodA"
    'appear': function ($event) { // new version: onappear="methodA(x, 1, '2', $event)"
      this.methodA(this.x, 1, '2', $event)
    }
  }
}

[Jinjiang]

@songsiqi please have a look