message: add facebook page_id to incoming message as page property
diff: @@ -270,6 +270,7 @@ function Facebookbot(configuration) {
  text: facebook_message.message.text,
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id,
  timestamp: facebook_message.timestamp,
  seq: facebook_message.message.seq,
  is_echo: facebook_message.message.is_echo,
  @@ -291,6 +292,7 @@ function Facebookbot(configuration) {
  payload: facebook_message.postback.payload,
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id,
  timestamp: facebook_message.timestamp,
  referral: facebook_message.postback.referral,
  };
  @@ -302,6 +304,7 @@ function Facebookbot(configuration) {
  text: facebook_message.postback.payload,
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id,
  timestamp: facebook_message.timestamp,
  type: 'facebook_postback',
  referral: facebook_message.postback.referral,
  @@ -316,6 +319,7 @@ function Facebookbot(configuration) {
  optin: facebook_message.optin,
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id,
  timestamp: facebook_message.timestamp,
  };
  @@ -326,6 +330,7 @@ function Facebookbot(configuration) {
  delivery: facebook_message.delivery,
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id
  };
  facebook_botkit.trigger('message_delivered', [bot, message]);
  @@ -335,6 +340,7 @@ function Facebookbot(configuration) {
  read: facebook_message.read,
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id,
  timestamp: facebook_message.timestamp,
  };
  @@ -343,6 +349,7 @@ function Facebookbot(configuration) {
  var message = {
  user: facebook_message.sender.id,
  channel: facebook_message.sender.id,
  + page: facebook_message.recipient.id,
  timestamp: facebook_message.timestamp,
  referral: facebook_message.referral,
  };
  