Fix status page overlap

If the job name was too long the progress bar would float under the
next job. Fix this be clearing the flots in each job line.

Change-Id: Ie476cd97ee6207fac84051e0580871590bccbc0f
diff --git a/etc/status/public_html/jquery.zuul.js b/etc/status/public_html/jquery.zuul.js
index 3085b26..7e5f640 100644
--- a/etc/status/public_html/jquery.zuul.js
+++ b/etc/status/public_html/jquery.zuul.js
@@ -111,6 +111,7 @@
                     );
                 }
 
+                $job_line.append($('<div style="clear: both"></div>'));
                 return $job_line;
             },