message: Upgrade fb graphe api to v2.11
diff: @@ -932,7 +932,7 @@ function Facebookbot(configuration) {
  var insights_api = {
  get_insights: function(metrics, since, until, cb) {
  - var uri = 'https://' + api_host + '/v2.8/me/insights?access_token=' + configuration.access_token;
  + var uri = 'https://' + api_host + '/' + api_version + '/me/insights?access_token=' + configuration.access_token;
  if (metrics) {
  if (typeof(metrics) == 'string') {
  @@ -975,7 +975,7 @@ function Facebookbot(configuration) {
  var handover = {
  get_secondary_receivers_list: function(fields, cb) {
  request.get({
  - url: 'https://' + api_host + '/v2.6/me/secondary_receivers',
  + url: 'https://' + api_host + '/' + api_version + '/me/secondary_receivers',
  qs: {
  fields: typeof(fields) == 'string' ? fields : fields.join(','),
  access_token: configuration.access_token
  @@ -1004,7 +1004,7 @@ function Facebookbot(configuration) {
  metadata: metadata
  };
  request.post({
  - url: 'https://' + api_host + '/v2.6/me/take_thread_control',
  + url: 'https://' + api_host + '/' + api_version + '/me/take_thread_control',
  qs: {
  access_token: configuration.access_token
  },
  @@ -1034,7 +1034,7 @@ function Facebookbot(configuration) {
  metadata: metadata
  };
  request.post({
  - url: 'https://' + api_host + '/v2.6/me/pass_thread_control',
  + url: 'https://' + api_host + '/' + api_version + '/me/pass_thread_control',
  qs: {
  access_token: configuration.access_token
  },
  