Upgrade tests tools and lint migrations and scripts (part 2) (#9998)

* upgrade gulp-babel

* upgrade babel-eslint

* upgrade eslint-friendly-formatter

* start upgrading chai

* start to upgrade eslint

* restore skipped tests

* start to upgrqde monk

* fix linting and remove unused file

* fix mocha notifications, and common tests

* fix unit tests

* start to fix initrgration tests

* more integration tests fixes

* upgrade monk to latest version

* lint /scripts

* migrations: start moving to /archive unused migrations and run eslint with --fix

* lint migrations

* fix more integration tests

* fix test

migrations/archive/2014/20140823_remove_undefined_and_false_notifications.js

@@ -0,0 +1,53 @@
+//  node .migrations/20140823_remove_undefined_and_false_notifications.js
+
+let migrationName = '20140823_remove_undefined_and_false_notifications';
+
+let authorName = 'Alys'; // in case script author needs to know when their ...
+let authorUuid = 'd904bd62-da08-416b-a816-ba797c9ee265'; // ... own data is done
+
+// IMPORTANT NOTE: this migration was written when we were using version 3 of lodash.
+// We've now upgraded to lodash v4 but the code used in this migration has not been
+// adapted to work with it. Before this migration is used again any lodash method should
+// be checked for compatibility against the v4 changelog and changed if necessary.
+// https://github.com/lodash/lodash/wiki/Changelog#v400
+
+/**
+ * https://github.com/HabitRPG/habitrpg/pull/3907
+ */
+
+let mongo = require('mongoskin');
+let _ = require('lodash');
+
+// XXX @lefnire, choose wisely:
+// var liveUsers = mongo.db('lefnire:mAdn3s5s@charlotte.mongohq.com:10015/habitrpg_large?auto_reconnect').collection('users');
+// var liveUsers = mongo.db('localhost:27017/habitrpg_old?auto_reconnect').collection('users');
+
+// For local testing by script author:
+// var liveUsers = mongo.db('localhost:27017/habitrpg?auto_reconnect').collection('users');
+
+
+let fields = {migration: 1, newMessages: 1};
+let progressCount = 1000;
+// var progressCount = 1;
+let count = 0;
+liveUsers.findEach({migration: {$ne: migrationName}}, fields, {batchSize: 250}, function (err, user) {
+  count++;
+  if (!user) err = '!user';
+  if (err) {
+    return console.error(err);
+  }
+
+  let newNewMessages = {};
+  _.each(user.newMessages, function (val, key) {
+    // console.log(key + " " + val.name);
+    if (key != 'undefined' && val.value) {
+      newNewMessages[key] = val;
+    }
+  });
+
+  liveUsers.update({_id: user._id}, {$set: {newMessages: newNewMessages, migration: migrationName}, $inc: {_v: 1}});
+
+  if (count % progressCount === 0) console.log(`${count  } ${  user._id}`);
+  if (user._id === '9') console.log('lefnire processed');
+  if (user._id === authorUuid) console.log(`${authorName  } processed`);
+});