Merge pull request #2580 from nfebuary/issue/avatar-2557

Fix for issue #2557 

Reviewed-By: Peter Rotich <peter@osticket.com>

scp/css/scp.css

@@ -944,7 +944,7 @@ img.avatar {
 }
 .avatar > img.avatar {
     width: 100%;
-    height: 100%;
+    height: auto;
 }
 .thread-entry .header {
     padding: 8px 0.9em;