show distributions in alphabetical order in the charts of history page

debomatic-webui/public/javascripts/page_history.js

@@ -108,12 +108,11 @@ function Page_History() {
             series: [],
             labels: []
         };
-        for (var distro in distributions_counter) {
-            if (distributions_counter.hasOwnProperty(distro)) {
+        for (var i = 0; i < all_distributions.length; i++) {
+            var distro = all_distributions[i];
             distributions_data.series.push(distributions_counter[distro]);
             distributions_data.labels.push(distro + " (" + distributions_counter[distro] + ")");
         }
-        }
         Chartist.Pie('#distributions-chart', distributions_data, {
             donut: true,
             donutWidth: 15,
@@ -159,6 +158,7 @@ function Page_History() {
         _count_distributions(p);
         _count_days(p);
     }
+    all_distributions.sort();
     _sort_table();
     _create_graph_distributions();
     _create_graph_days();