Make sure there is a description before displaying it
Improved display of MDN messages

2nd part is machine parsable and user should not be given option to view
it
Improved display of DSNs
Fix camelCase of function name
Fix clearing MDN status notification after sending in search mailboxes

Conflicts:
	imp/lib/Ajax/Application/Handler/Dynamic.php
Better link to send MDN
More places to get rid of the HERE text