Misc. Content: No calls, SMS, send mail

[Víctor R. Ruiz]

On Ubuntu Touch image 20130918.1:

Test cases:
- adb shell
- su - phablet
- cordova-ubuntu-2.8 --desktop_file_hint=/usr/share/applications/unity8.desktop /usr/share/cordova-ubuntu-tests/cordovamobilespec/www/
- Click on Misc. Content.

Call test:
- Click on Call 411.
- Expected result: The telephone app is opened to start a call.
- Actual result: Telephone app is not opened.

Mail test:
- Click on Send Mail.
- Expected result: A mail app is opened to send an email.
- Actual result: No mail app available yet.

SMS test:
- Click on Send SMS.
- Expected result: The messaging app is opened to send a SMS.
- Actual result: No messaging app is opened.