Add untagged projects counter.

services/web/app/views/project/list/side-bar.pug

@@ -83,7 +83,11 @@
 			ng-if="tags.length",
 			ng-cloak,
 			ng-click="selectUntagged()"
-		) uncategorized
+			ng-class="{active: filter === 'untagged'}",
+		) 	
+			a.tag-untagged(href)
+				| #{translate("uncategorized")}
+				span.subdued  ({{ nUntagged }})
 		li(ng-cloak)
 			a.tag(href, ng-click="openNewTagModal()")
 				i.fa.fa-fw.fa-plus

services/web/public/coffee/main/project-list/project-list.coffee

@@ -10,6 +10,7 @@ define [
 		$scope.selectedProjects = []
 		$scope.filter = "all"
 		$scope.predicate = "lastUpdated"
+		$scope.nUntagged = 0
 		$scope.reverse = true
 		$scope.searchText = 
 			value : ""
@@ -18,6 +19,10 @@ define [
 			recalculateProjectListHeight()
 		, 10
 
+		$scope.$watch((
+			() -> $scope.projects.filter((project) -> !project.tags? or project.tags.length == 0).length
+		), (newVal) -> $scope.nUntagged = newVal)
+
 		storedUIOpts = JSON.parse(localStorage("project_list"))
 
 		recalculateProjectListHeight = () ->
@@ -114,7 +119,7 @@ define [
 					visible = false
 
 				# Hide tagged projects if we only want to see the uncategorized ones
-				if $scope.filter == "untagged" and project.tags?
+				if $scope.filter == "untagged" and project.tags?.length > 0
 					visible = false
 
 				# Hide projects we own if we only want to see shared projects