Fix width problem
Fix width problem

```js
$('div#editor').markdownEditor({
  preview: true,
  width: '80%'
});
```

In previous version's html:

```html
<div id="editor" class="md-container" style="width: 80%">
  <div id="md-editor ace-editor ace-tomorrow" style="widht: 80%; height: 400px;
  font-size:14px; display: block;" draggable="false">
  </div>
</div>
```

In this version's html:

```html
<div id="editor" class="md-container" style="width: 80%">
  <div id="md-editor ace-editor ace-tomorrow" style="height: 400px;
  font-size:14px; display: block;" draggable="false">
  </div>
</div>
```

inacho/bootstrap-markdown-editor,inacho/bootstrap-markdown-editor