Graphite 1.0 functions (#8987)

* graphite-ds: add graphite version to config editor

* graphite-ds: modify add-graphite-function to show only version-related functions

* graphite-ds: refactor, move func filtering to gfunc.js

* graphite-ds: add new functions for graphite 1.0.x

* graphite-ds: fix unit tests (add jsonData)

public/app/plugins/datasource/graphite/config_ctrl.ts

@@ -0,0 +1,20 @@
+///<reference path="../../../headers/common.d.ts" />
+
+import angular from 'angular';
+import _ from 'lodash';
+
+export class GraphiteConfigCtrl {
+  static templateUrl = 'public/app/plugins/datasource/graphite/partials/config.html';
+  current: any;
+
+  /** @ngInject */
+  constructor($scope) {
+    this.current.jsonData.graphiteVersion = this.current.jsonData.graphiteVersion || '0.9';
+  }
+
+  graphiteVersions = [
+    {name: '0.9.x', value: '0.9'},
+    {name: '1.0.x', value: '1.0'},
+  ];
+}
+