Merge pull request #8618 from owncloud/yet-another-ajax-lost-password

core/js/lostpassword.js

core/lostpassword/application.php

core/lostpassword/controller.php

core/lostpassword/controller/lostcontroller.php

core/lostpassword/css/resetpassword.css

core/lostpassword/encrypteddataexception.php

core/lostpassword/templates/lostpassword.php

core/lostpassword/templates/resetpassword.php

core/routes.php

core/templates/login.php