Merge branch 'bugfix/jschatz1/sidebar/02-16-16' into 'master'

Fix double scrollbar issues

Sidebar double scrollbar issue fix.

![Screen_Shot_2016-02-16_at_9.22.49_PM](/uploads/cb950eda08ed5d3b4a6c6979c977e029/Screen_Shot_2016-02-16_at_9.22.49_PM.png)

See merge request !2851

app/assets/stylesheets/framework/gitlab-theme.scss

@@ -118,3 +118,19 @@ body {
     @include gitlab-theme(#9988CC, $theme-violet, #443366, #332255);
   }
 }
+
+::-webkit-scrollbar{
+  width: 3px;
+}
+
+::-webkit-scrollbar-thumb{
+  background-color:$theme-charcoal; border-radius: 0;
+}
+
+::-webkit-scrollbar-thumb:hover{
+  background-color:$theme-charcoal;
+}
+
+::-webkit-scrollbar-track{
+  background-color:#FFF;
+}
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