- Uses Zend Framework console router more extensively.
- Simplifies/improves parameter processing.
- Reduces dependence on direct access to PHP superglobals.

- All files reported by licensecheck[https://metacpan.org/pod/App::Licensecheck] were fixed.

- Adjusted wiki links to point to latest URLs.
- Removed VuFind2 category name (use generic VuFind instead).

Resolving VUFIND-459 -- adding utility to merge harvested MARC XML records (adapted from the work of Thomas Schwaerzler).