add xdg-scripts to application submenu
replace desktop files in autostart with links
add wall-message infoterm
position icons on desktop

added llview icon
added visit icon
source /etc/bashrc in xdg_profile_set.sh
go back to absolute paths for icons in .desktop-files (xfce4 cannot handle relative paths, yet)

xfce4/backdrops

Conflicts:
	README.md
	screenshot_xdg_profile_vis.png

add xdg-profile-scripts to submenu 'FZJ Utilities'
cleanup menus

move autostart of devilspie2 to default profile to avoid multiple instances, if profiles are combined