Dashboard edit title can be wrong if the content contains an element with a title class

Reproduction steps:

1. Create a new page using the dashboard template.
2. Add a new gadget and select the live data macro
3. insert the gadget
4. edit it again
5. inspect the gadget title

Expected Result:

The title field contains

$services.localization.render('rendering.macro.liveData.name')

Actual Result:

The title field contains

<span class="fa fa-list-ul"></span> Properties 

PS: Reproduced on 13.10.11 so likely not a regression

Explanation:

In dashboard.js, the title is retrieved by looking for the title class in the dashboard body. Any content containing an element with the same class can be used instead of the expected title.