Bug 974867 - [MMS]Auto suggestion for email address r=Julien

https://bugzilla.mozilla.org/show_bug.cgi?id=974867
```javascript
var data = {
  name: title,
  number: number,
  type: type,
  carrier: carrier,
  separator: separator,
  nameHTML: '',
  numberHTML: ''
};

if (Settings.supportEmailRecipient) {
  data.email = number;
  data.emailHTML = '';
}
```