Corrected the number of columns (used default of 4 from layout.erb) a…

…nd added footer with (currently hardcoded) information detailing time time range of the pull request data

dashboards/alltime.erb

@@ -1,6 +1,7 @@
 <script type='text/javascript'>
     $(function() {
-        Dashing.widget_base_dimensions = [426, 240]
+        Dashing.widget_base_dimensions = [426, 240];
+        Dashing.numColumns = 3;
     });
 </script>
 
@@ -43,6 +44,6 @@
         <li data-row="3" data-col="3" data-sizex="1" data-sizey="1">
             <div data-id="externalPullRequestsLeadTime" data-view="Number" data-title="Average lead time" style="background-color: #9c00ff" data-moreinfo="days"></div>
         </li>
-
     </ul>
+    <center><div>Pull requests from 01/06/14</div></center>
 </div>