Fix offcenterness for quick message line_divider_arrow in QM dialog

Change-Id: I7d8c2bd61483de04008b107fd64edb3b7eac0757
Changed the mark as read feature to use a Broadcast Reciever

Instead of using an Activity to mark the message as read, this implements a BroadcastReciever to do the job. Much more effective.

Change-Id: I82515e2cf977b7ea7d6c47a75861153126643b98