new API to make checkTokenInUrl easier

CHANGELOG.md

core/Plugin/Controller.php

plugins/Annotations/javascripts/annotations.js

plugins/CoreAdminHome/javascripts/generalSettings.js

plugins/CoreHome/angularjs/common/services/piwik-api.js

plugins/CoreHome/javascripts/corehome.js

plugins/CoreHome/javascripts/dataTable.js

...s/Dashboard/angularjs/common/services/dashboards-model.js

plugins/Dashboard/javascripts/dashboard.js

plugins/Dashboard/javascripts/dashboardObject.js

plugins/Morpheus/javascripts/ajaxHelper.js

plugins/PrivacyManager/javascripts/privacySettings.js

...nager/angularjs/sites-manager/sites-manager.controller.js

plugins/UserCountry/javascripts/userCountry.js

plugins/UsersManager/javascripts/usersSettings.js