support full resolution for $interval variable (#7696)

public/app/features/templating/partials/editor.html

@@ -124,7 +124,7 @@
               Step count <tip>How many times should the current time range be divided to calculate the value</tip>
             </span>
             <div class="gf-form-select-wrapper max-width-10" ng-show="current.auto">
-              <select class="gf-form-input" ng-model="current.auto_count" ng-options="f for f in [2,3,4,5,10,20,30,40,50,100,200,300,400,500]" ng-change="runQuery()"></select>
+              <select class="gf-form-input" ng-model="current.auto_count" ng-options="f for f in [1,2,3,4,5,10,20,30,40,50,100,200,300,400,500]" ng-change="runQuery()"></select>
             </div>
           </div>
           <div class="gf-form">