Keyboard shortcut 11
completed by: cristian99garcia
mentors: Martin Abente Lahaye
The alert boxes which appear on the top of the activity, cannot be dismissed or used properly with the keyboard. The Mouse is certainly required in this situation. (See http://bugs.sugarlabs.org/ticket/4660) Note that we are currently in Feature Freeze, therefore you should submit a patch, but not a Pull Request when you complete this task.