Merge branch 'dev' into 'next'

ajax/frontend/auth/existsUnverifiedActivation.php

ajax/frontend/auth/resendActivationMail.php

ajax/frontend/login/getAuthenticator.php

ajax/frontend/login/getControl.php

ajax/frontend/login/getLoginRedirect.php

ajax/frontend/profile/address/create.php

ajax/frontend/profile/address/delete.php

ajax/frontend/profile/address/edit.php

ajax/frontend/profile/checkDeleteAccount.php

ajax/frontend/profile/getControl.php

ajax/frontend/profile/getProfileBarCategories.php

ajax/frontend/profile/save.php

ajax/frontend/register.php

ajax/frontend/registrars/emailExists.php

ajax/frontend/registrars/getControl.php

ajax/frontend/registrars/getRegistrationLink.php

ajax/frontend/registrars/getSignInControl.php

ajax/frontend/registrars/userExists.php

ajax/frontend/registrars/validateEmailSyntax.php

ajax/settings/getAuthenticators.php