Show labels in Issues tab.

app/assets/stylesheets/pages/milestone.scss

@@ -15,3 +15,15 @@ li.milestone {
 .time-elapsed {
   color: #F14539;
 }
+
+.issue-row .assignee-icon {
+  .color-label {
+    float: left;
+    padding: 8px;
+    margin-left: 10px;
+  }
+
+  img {
+    margin-left: 8px;
+  }
+}

app/views/projects/milestones/_issue.html.haml

 %li{ id: dom_id(issue, 'sortable'), class: 'issue-row', 'data-iid' => issue.iid, 'data-url' => issue_path(issue) }
   .pull-right.assignee-icon
+    - issue.labels.each do |label|
+      = render_colored_label(label)
     - if issue.assignee
-      = image_tag avatar_icon(issue.assignee, 16), class: "avatar s16", alt: ''
+      = image_tag avatar_icon(issue.assignee, 16), class: "avatar s24", alt: ''
   %span
     = link_to [@project.namespace.becomes(Namespace), @project, issue] do
       %span.cgray ##{issue.iid}