Rename `.\Identity\Token\Token` to `.\Token\TokenGenerator`.
Rename generateHumanToken to generateHumanReadableToken.
Rename challenge to token.
Remove max() from generateHumanReadableToken() and check argument

... more thoroughly.
Let library code handle non-positive page numbers.
NameId, PhoneNumber and YubikeyPublicId are not Ids.
Revert "Correct validation message keys for UpdateIdentityCommand."

This reverts commit 4deba7dbe5f2c5c30edb04ec8c6ceb87ff6ed87a.
Remove update_identity translations.
Reduce security-less URL pattern for JmsTranslationBundle.
Clean up e-mail templates.
Remove duplicate test.
Don't include list of second factors with API identity.