Fixed typo that broke Summon facet translation; added config comments.
Thanks to Michael Wiesen for reporting the problem and fix.
Resolving VUFIND-764.
Use patronHomeUbId instead of dbKey to generate Renewal Key.
Thanks to Sandino Narciso Vargas Perez for the bug report and fix.
Fixed API renewal key inconsistency (should have been included in prior commit).
Use class_alias() instead of eval() for cleaner/safer code.
Upgraded dependencies (latest Symfony/Yaml and ZF2)
Fix for VUFIND-762 (empty parens cause Solr error)
Added -s (skip optimize) switch to batch-delete scripts.