Create session tokens for apache auth users

db_structure.xml

.../Authentication/Exceptions/PasswordlessTokenException.php

lib/private/Authentication/Token/DefaultToken.php

lib/private/Authentication/Token/DefaultTokenProvider.php

lib/private/Authentication/Token/IProvider.php

lib/private/User/Session.php

lib/private/legacy/user.php

settings/Controller/AuthSettingsController.php

tests/lib/Authentication/Token/DefaultTokenProviderTest.php

tests/lib/User/SessionTest.php

version.php