removed bold from config output

if people want it to bold they can style it by css but for now it's
plain.
sitehelper: added prefix support to function getParam

this can be helpfull in case of import and detection of version.
eventmodel: added venue timezone to query
removed version field
altered retrieval of meta_keywords, FIX #118
Merge pull request #119 from jemproject/dev

several changes