[VuFind-Tech] Zend Framework upgraded to 2.2.4

[Demian K. <dem...@vi...>]

Hello, everyone -

I've just upgraded the Git master to use Zend Framework 2.2.4 (we were previously on 2.2.1).  Please let me know if you run into any problems.

Note that as of ZF 2.2.2, a small change to the translation system required me to adjust the main VuFind module's module.config.php to keep things working.  Apart from this significant adjustment, none of the other changes seem likely to cause major problems...  but I've been fooled before!

thanks,
Demian