Upgrade lodash to v4 and lint more files (#8495)

* common: import lodash modules separately

* remove test/content from .eslintignore, fix with eslint --fix content/index

* lint test/content

* lint content/index except for lodash methods

* upgrade server/models

* upgrade server/middlewares and server/libs

* port server/controllers/top-level

* port server/controllers/api-v3

* port views and tests

* client old port lodash and _(, missing _.

* upgrade client-old

* port common/script (root level files only)

* port common/script/fns

* port common/libs

* port common/script/ops

* port common/script/content and common/script/libs/shops.js

* misc fixes

* misc fixes

* misc fixes

* more tests fixes

* fix payments test stubbing, down to 2 failing tests

* remove more instances of lodash wrapping

* fix bug where toObject does not clone object

* fix tests

* upgrade migration or add lodash 4 note

* update shrinkwrap

* fix linting

* upgrade eslint-config-habitrpg

* update shrinkwrap

* recompile shrinkwrap

website/client-old/js/controllers/footerCtrl.js

@@ -70,7 +70,7 @@ function($scope, $rootScope, User, $http, Notification, ApiUrl, Social) {
   /**
    * Debug functions. Note that the server route for gems is only available if process.env.DEBUG=true
    */
-  if (_.contains(['development','test'],window.env.NODE_ENV)) {
+  if (_.includes(['development','test'],window.env.NODE_ENV)) {
 
     $scope.setHealthLow = function(){
       User.set({