Do not Add test modems to the extension
Add Allow Roaming Switch to modem ui
Add Roaming and Context name to the Modem Menu
Monitor ConnectionManager signals - ContextAdded and ContextRemoved
Auto launch wizard

If the provisioning fails, launch the wizard automatically.
Disconnect Context Add/Remove signals in clean up
Create a internet context if none was found
Notification when modem is not online
Add a reconfigure APN notification if there is a error on Activate context