altered eventview
increase versionnr front
jem.xml: changed creationdate
calendar-view: removed offset variable

the offset is returning a string instead of a nr
altered categoryeditfield
altered help: added additonal credtis file

this to keep make a split between EL/JEM
added Infobox to credits
removed link to author (contactform)

we can select a contact.
modified event-view backend
modified help
altered venue-view

replaced document.getelementbyid by JQuery
Merge pull request #136 from jemproject/dev

several changes