Merge remote-tracking branch 'origin/master'

modules/statistiche/edit.php

@@ -85,6 +85,11 @@ var chart_options = {
                 }
             }
         },
+        elements: {
+            line: {
+                tension: 0
+            }
+        },
         annotation: {
             annotations: [{
                 type: "line",

modules/statistiche/js/stats/line_chart.js

@@ -33,11 +33,11 @@ class LineChart extends Stat {
             chart.data.datasets.push({
                 calendar_id: calendar_id,
                 label: label,
-                backgroundColor: color,
+                backgroundColor: color + '55',
                 borderColor: color,
                 data: dataset,
                 labels: labels,
-                fill: false,
+                fill: true,
             });
 
             chart.update();