Show new message counter in contact list

Blocked by briar#1746 (closed). Sub issue of #31 (closed).

added T: feature label

mentioned in issue #31 (closed)

changed the description

changed milestone to %GTK Next

IMHO this could be implemented independently of #31 (closed).

mentioned in issue briar#1746 (closed)

changed the description

changed milestone to %GTK 0.1.0-beta2

mentioned in merge request !75 (merged)

assigned to @nicoalt

mentioned in commit 08790e70

mentioned in commit 283ff921

mentioned in commit d3e6e7e4

closed via merge request !75 (merged)