Fixed the deep linking data-orbit-link "active" class issue.

```

<a data-orbit-link="headline-1" class="small button">
  Goto Slide 1
</a>
<a data-orbit-link="headline-2" class="small button">
  Goto Slide 2
</a>
<a data-orbit-link="headline-3" class="small button">
  Goto Slide 3
</a>

```