Don't try to encrypt/decrypt empty values.
- Resolves VUFIND-963.
Disable Java entity expansion limit to avoid unnecessary failures.
- Resolves VUFIND-964.
Errors now display in lightbox, with full details in console. BOOTSTRAP.
Merge branch 'master' of https://github.com/vufind-org/vufind
Simplify classes. Bootstrap.
VuDL updates.
Merge branch 'master' into ill