Fix issues

Author: ThomasKranitsas

src/app.js

@@ -1,3 +1,4 @@
+global.Promise = require('bluebird')
 const config = require('config')
 const Kafka = require('no-kafka')
 const healthcheck = require('topcoder-healthcheck-dropin')

src/services/ProcessorService.js

@@ -1,7 +1,7 @@
 /**
  * Service for TC Challenge processor.
  */
-
+const _ = require('lodash')
 const Joi = require('joi')
 const config = require('config')
 const logger = require('../common/logger')