dashboard: fixes for datastore detail

circle/dashboard/static/dashboard/datastore-details.js

@@ -9,7 +9,7 @@ $(function() {
       data: {
         labels: labels,
         datasets: [{
-          data: data['data'],
+          data: data.data,
           backgroundColor: [
               "#57b257",
               "#538ccc",
@@ -26,7 +26,7 @@ $(function() {
         tooltips: {
           callbacks: {
             label: function(item, chartData) {
-              return data['labels'][item.index] + ": " + data['readable_data'][item.index];
+              return data.labels[item.index] + ": " + data.readable_data[item.index];
             }
           }
         },

circle/dashboard/templates/dashboard/storage/detail.html

@@ -145,10 +145,10 @@
           '>
         </div>
         <div>
-          {% trans "Total virtual machine disk usage" %}:
+          {% trans "Total disk usage of virtual machines" %}:
           <strong>{{ stats.vm_actual_size|filesize }}</strong>
           <br />
-          {% trans "Actual virtual machine disk usage" %}:
+          {% trans "Total virtual disk usage of virtual machines" %}:
           <strong>{{ stats.vm_size|filesize}}</strong>
         </div>
       </div><!-- .panel-body -->