Compose an email using the native Mail app

You can send an email from within a Mobile Locker presentation using the iOS Mail app's Compose Email window.

* recipient - optional, the email address of the recipient
* subject - the subject line of the email
* body - the body of the email (it can be HTML code)
* isHTML - boolean TRUE if the body is HTML, false otherwise
* attachmentPath - optional, path to the file in the presentation to attach to the email
mobilelocker.composeEmail(recipient, subject, body, isHTML, attachmentPath);