Merge pull request #12 from nightscout/dev

fix brushing loop (nightscout#5499)

Author: yeagerm

lib/client/chart.js

@@ -602,8 +602,6 @@ function init (client, d3, $) {
   };
 
   function scrollUpdate () {
-    scrolling = false;
-
     var nowDate = scrollNow;
 
     var currentBrushExtent = scrollBrushExtent;
@@ -669,6 +667,8 @@ function init (client, d3, $) {
     // console.log('Redrawing brush due to update: ', currentBrushExtent);
 
     chart.theBrush.call(chart.brush.move, currentBrushExtent.map(chart.xScale2));
+
+    scrolling = false;
   }
 
   chart.scroll = function scroll (nowDate) {