TODO:
- some artwork : general resource pictures like (room, car, beamer ...) (Benkom)
- sitemgr module

- list 
	select all button --> add actions for selected: move to other cat,...
	popup on picture --> show
	add show-calender button
	
- edit/add
	bug: accessories aren't moved to cat of master if it changes

- admin section
	add configure picture size	
	configure if buyable should be used

- calendar views
	do we need own views?

- show
	show accessories and links 
	change button layout

Long Term todo's:
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advanced search dialog, accessable via sideboxmenu
add prize functionality
add location functionality