Add a button to show all, when filtering new items.

services/web/app/views/project/list.jade

@@ -52,6 +52,13 @@ block content
 									ng-href="{{ announcement.url }}"
 									target="_blank"
 								) Read more
+						div.text-center(
+							ng-if="ui.newItems > 0 && ui.newItems < announcements.length"
+						)
+							a.btn.btn-default.btn-sm(
+								href
+								ng-click="showAll();"
+							) Show all
 
 			.row(ng-cloak)
 				span(ng-if="projects.length > 0")

services/web/public/coffee/main/announcements.coffee

@@ -24,4 +24,6 @@ define [
 				$scope.ui.newItems = 0
 				markAnnouncementsAsRead()
 
+		$scope.showAll = -> 
+			$scope.ui.newItems = 0