MladiPodjetnik.si performance tweaks

MladiPodjetnik.si is a portal we've been actively developing since 2006 and has since seen 3 revisions. The latest one, running on Plone 3.1, was running out of juice due to enormous increase in traffic in the last year. It was time to do some performance optimization. 1. We started out by upgrading Plone to the latest 3.x realease - 3.3.5.…