altered references within descriptions (main controller,backend)
altered contacts/venues functions (editevent, front)

- there are no Orderby/Where functions anymore as they are merged into a
buildQuery
- for contacts there is an additional check for published
removed published column (choosecontact,front)
changed venue/contacts variables (editevent-view, front)
removed obsolete function remove
added new version of iCalCreator
removed Snoopy.class
Altered UpdateCheck (model+view)
removed Snoopy from credits (help)
added IP-setting to edit-models/view (front)
altered referral of IP-retrieving + fixed storing IP (event-model)

- the event-model was missing the IP-storing part.
- the IP variables are pointing to a function within the helper
added modified_by to venue/event-stats (events/venues-view, backend)
added if statement for display IP (venue/event-stats, backend)
renamed elSelectUser function to modalSelectUser
removed obsolete function publish (venues,backend)
removed sockets from pkg_install
added curl back to pkg_install
added confirm-delete message to attendees/categories/events (backend)
renamed referrence of elSelectUser to modalSelectUser
updated/changed format of function remove (venues-model, backend)