fix wrong decoration on battery value and display unit for each sensor

glances/outputs/static/html/plugins/sensors.html

 <div class="table-row">
     <div class="table-cell text-left title">SENSORS</div>
-    <div class="table-cell">&#176;C</div>
 </div>
 <div class="table-row" ng-repeat="sensor in result['sensors']">
-    <div class="table-cell text-left">{{sensor.label}}</div>
-    <div class="table-cell" ng-class="getClass('sensors', 'sensors_' + sensor.type + '_', sensor.value, 0)">{{sensor.value}}</div>
+    <div class="table-cell text-left">{{ sensor.label }}</div>
+    <div class="table-cell">{{ sensor.unit }}</div>
+    <div class="table-cell" ng-if="sensor.type != 'battery'" ng-class="getClass('sensors', 'sensors_' + sensor.type + '_', sensor.value, 0)">
+        {{ sensor.value }}
+    </div>
+    <div class="table-cell" ng-if="sensor.type == 'battery'" ng-class="getClass('sensors', 'sensors_' + sensor.type + '_', 100 - sensor.value, 0)">
+        {{ sensor.value }}
+    </div>
 </div>