- removed appIdToName($appId) and versionIdToName($appId) from category.php
- replaced every occurence of appIdToName and versionIdToName with lookup_app_name and lookup_version_name
- drop version specific url
- let user add links for versions (installation, support, whatever)
- use application description and version description to display version description
- don't provide a link in the cat_path to go in the same page we already are
- various html improvement and fixes in modified lines