Singlestat: fixed decimal issue when value was 1, Fixes #1066

src/app/panels/singlestat/module.js

@@ -125,7 +125,7 @@ function (angular, app, _, TimeSeries, kbn, PanelMeta) {
 
     $scope.getDecimalsForValue = function(value) {
       var opts = {};
-      if (value === 0) {
+      if (value === 0 || value === 1) {
         return { decimals: 0, scaledDecimals: 0 };
       }