fix all vulnerabilities in the production code (#817)

Signed-off-by: Denis barbaron <denis.barbaron@orange.com>

lib/units/app/index.js

@@ -7,12 +7,11 @@ var url = require('url')
 var fs = require('fs')
 
 var express = require('express')
-var validator = require('express-validator')
 var cookieSession = require('cookie-session')
 var bodyParser = require('body-parser')
 var serveFavicon = require('serve-favicon')
 var serveStatic = require('serve-static')
-var csrf = require('csurf')
+var csrf = require('@dr.pogodin/csurf')
 var compression = require('compression')
 
 var logger = require('../../util/logger')
@@ -93,7 +92,6 @@ module.exports = function(options) {
 
   app.use(bodyParser.json())
   app.use(csrf())
-  app.use(validator())
 
   app.use(function(req, res, next) {
     res.cookie('XSRF-TOKEN', req.csrfToken())