move snippet edited timeago under the snippet title

app/assets/stylesheets/pages/snippets.scss

@@ -34,11 +34,17 @@
   padding-bottom: $gl-padding;
 }
 
+.snippet-header {
+  padding: $gl-padding 0;
+}
+
 .snippet-title {
   font-size: 24px;
   font-weight: 600;
-  padding: $gl-padding;
-  padding-left: 0;
+}
+
+.snippet-edited-ago {
+  color: $gray-darkest;
 }
 
 .snippet-actions {

app/views/shared/snippets/_header.html.haml

@@ -8,10 +8,6 @@
   %span.creator
     authored
     = time_ago_with_tooltip(@snippet.created_at, placement: 'bottom', html_class: 'snippet_updated_ago')
-    - if @snippet.updated_at != @snippet.created_at
-      %span
-        = icon('edit', title: 'edited')
-        = time_ago_with_tooltip(@snippet.updated_at, placement: 'bottom', html_class: 'snippet_edited_ago')
     by #{link_to_member(@project, @snippet.author, size: 24, author_class: "author item-title", avatar_class: "hidden-xs")}
 
   .snippet-actions
@@ -20,5 +16,9 @@
     - else
       = render "snippets/actions"
 
-%h2.snippet-title.prepend-top-0.append-bottom-0
-  = markdown_field(@snippet, :title)
+.snippet-header
+  %h2.snippet-title.prepend-top-0.append-bottom-0
+    = markdown_field(@snippet, :title)
+
+  - if @snippet.updated_at != @snippet.created_at
+    = edited_time_ago_with_tooltip(@snippet, placement: 'bottom', html_class: 'snippet-edited-ago')