Restyle labels filter to match common style

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/helpers/projects_helper.rb

@@ -83,9 +83,9 @@ module ProjectsHelper
 
   def label_filter_class(label_name)
     if selected_label?(label_name)
-      'list-group-item active'
+      'label-filter-item active'
     else
-      'list-group-item'
+      'label-filter-item light'
     end
   end
 

app/views/shared/_project_filter.html.haml

@@ -29,9 +29,10 @@
     - if defined?(labels)
       %fieldset
         %legend Labels
-        %ul.list-group
+        %ul.nav.nav-pills.nav-stacked.nav-small.labels-filter
           - issue_label_names.each do |label_name|
-            = link_to labels_filter_path(label_name), class: label_filter_class(label_name) do
+            %li{class: label_filter_class(label_name)}
+              = link_to labels_filter_path(label_name) do
                 %span{class: "label #{label_css_class(label_name)}"}
                   %i.icon-tag
                 = label_name

features/steps/project/project_filter_labels.rb

@@ -4,19 +4,19 @@ class ProjectFilterLabels < Spinach::FeatureSteps
   include SharedPaths
 
   Then 'I should see "bug" in labels filter' do
-    within ".list-group" do
+    within ".labels-filter" do
       page.should have_content "bug"
     end
   end
 
   And 'I should see "feature" in labels filter' do
-    within ".list-group" do
+    within ".labels-filter" do
       page.should have_content "feature"
     end
   end
 
   And 'I should see "enhancement" in labels filter' do
-    within ".list-group" do
+    within ".labels-filter" do
       page.should have_content "enhancement"
     end
   end