feat(elasticsearch): add pipeline settings

public/app/plugins/datasource/elasticsearch/metric_agg.js

@@ -13,12 +13,15 @@ function (angular, _, queryDef) {
 
     $scope.metricAggTypes = queryDef.metricAggTypes;
     $scope.extendedStats = queryDef.extendedStats;
+    $scope.pipelineSettings = [];
+
     $scope.pipelineAggOptions = [];
 
     $scope.init = function() {
       $scope.agg = metricAggs[$scope.index];
       $scope.validateModel();
       $scope.updatePipelineAggOptions();
+      $scope.pipelineSettings = queryDef.getPipelineSettings($scope.agg);
     };
 
     $scope.updatePipelineAggOptions = function() {

public/app/plugins/datasource/elasticsearch/partials/metricAgg.html

@@ -45,6 +45,19 @@
 			</ul>
 			<div class="clearfix"></div>
 		</div>
+		<div ng-if="agg.pipelineAgg !== undefined">
+			<div class="tight-form" ng-repeat="setting in agg.pipelineSettings">
+				<ul class="tight-form-list">
+					<li class="tight-form-item" style="width: 100px">
+						{{stat.text}}
+					</li>
+					<li class="tight-form-item last">
+						<editor-checkbox text="" model="agg.meta.{{stat.value}}" change="onChange()"></editor-checkbox>
+					</li>
+				</ul>
+				<div class="clearfix"></div>
+			</div>
+		</div>
 		<div class="tight-form last" ng-if="agg.type === 'percentiles'">
 			<ul class="tight-form-list">
 				<li class="tight-form-item">

public/app/plugins/datasource/elasticsearch/query_def.js

@@ -70,6 +70,19 @@ function (_) {
 
     pipelineAggs: ['moving_avg', 'derivative'],
 
+    pipelineSettings: {
+      'moving_avg' : ['model', 'gap_policy', 'window', 'minimize'],
+      'derivative': []
+    },
+
+    getPipelineSettings: function(metric) {
+      if (this.isPipelineAgg(metric) === false) {
+        return [];
+      }
+
+      return this.pipelineSettings[metric.type];
+    },
+
     isPipelineAgg: function(metric) {
       if (metric.type) {
         return this.pipelineAggs.indexOf(metric.type) > -1;