altered with calendar.css
added venue-maintainer code to controller, Ref #571
added maintainer code to editvenue-view
altered reference created_by (controller venue,editvenue)
added mainter publish right to venue-table
tweak buttons calendar (venue/weekcal)
altered date functions (jemteaser-module), REF #524

the functions for display month, day, etc are now using JDate to display
the expected language. the param in the xml has been removed for now.
added flyermodal to teaser-module, FIX #525
added reference to zebra-image (teaser-module), FIX #523
Combine categories and categories detailed #574
Remove categories detailed files #574
fix url in day feed view (issue #575)
Fixed groupby in attendees model
removed obsolete controllers (editvenue+editevent)
Merge branch 'master' of https://github.com/jemproject/JEM-Project into jemproject-master
Merge branch 'master' into develop