message: CleanUp : Remove unused packages & package-lock.json
  Remove package-lock.json generated by npm5+
diff: @@ -2,7 +2,6 @@ var Botkit = require(__dirname + '/CoreBot.js');
  var request = require('request');
  var crypto = require('crypto');
  var bodyParser = require('body-parser');
  -var shajs = require('sha.js');
  function Facebookbot(configuration) {
  