id-mgmt - add missing deps

app/scripts/lib/id-management.js

@@ -1,7 +1,10 @@
 const ethUtil = require('ethereumjs-util')
+const Transaction = require('ethereumjs-tx')
+const configManager = require('./config-manager-singleton')
 
 module.exports = IdManagement
 
+
 function IdManagement(opts) {
   if (!opts) opts = {}