[#1977] APIv2 WIP - start of a framework where operations are shared

between client & server. If the op is called on the client, it updates
the user & then POSTs to the server with op of the same name. If called
on server, it updates the user and user.save()s

src/controllers/admin.js

@@ -1,9 +1,7 @@
 var _ = require('lodash');
 var nconf = require('nconf');
 var async = require('async');
-var algos = require('habitrpg-shared/script/algos');
-var helpers = require('habitrpg-shared/script/helpers');
-var items = require('habitrpg-shared/script/items');
+var shared = require('habitrpg-shared');
 var User = require('./../models/user').model;
 var Group = require('./../models/group').model;
 var api = module.exports;