- Includes Alma-specific authentication module and controller for handling webhooks.
- Resolves VUFIND-1212.

- Resolves VUFIND-1275.

- Zend Framework 2 references are out of date; using an external library location no longer makes sense.

- Solr connection failure should trigger a BackendException so the record loader can work around it when in "tolerate backend exceptions" mode.

- Do not create multiple tokens per request.
- Clear tokens after successful verification to save session space.
- Limit the number of tokens that can be generated before successful verification.