Refactor css for snippets list

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

app/assets/stylesheets/pages/snippets.scss

@@ -2,30 +2,6 @@
   padding: 2px;
 }
 
-
-.snippet-row {
-  .snippet-title {
-    font-size: 15px;
-    font-weight: bold;
-    line-height: 20px;
-    margin-bottom: 2px;
-
-    .monospace {
-      font-weight: normal;
-    }
-  }
-
-  .snippet-info {
-    color: #888;
-    font-size: 13px;
-    line-height: 24px;
-
-    a {
-      color: #888;
-    }
-  }
-}
-
 .snippet-holder {
   margin-bottom: -$gl-padding;
 

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

 %li.snippet-row
+  = image_tag avatar_icon(snippet.author_email), class: "avatar s40 hidden-xs", alt: ''
+
   .snippet-title
-    = link_to reliable_snippet_path(snippet) do
+    = link_to reliable_snippet_path(snippet), class: 'title' do
       = truncate(snippet.title, length: 60)
       - if snippet.private?
         %span.label.label-gray
-          %i.fa.fa-lock
+          = icon('lock')
           private
     %span.monospace.pull-right
       = snippet.file_name
@@ -15,6 +17,5 @@
 
   .snippet-info
     = link_to user_snippets_path(snippet.author) do
-      = image_tag avatar_icon(snippet.author_email), class: "avatar s24", alt: ''
       = snippet.author_name
     authored #{time_ago_with_tooltip(snippet.created_at)}

app/views/snippets/_snippets.html.haml

-%ul.bordered-list
+%ul.content-list
   = render partial: 'shared/snippets/snippet', collection: @snippets
   - if @snippets.empty?
     %li