added multimedia key bindings for Exaile
there's no konqueror in semplice but pcmanfm
roxterm, gnome-mplayer and openbox --reconfigure keybindings, similar to crunchbang
Merge branch 'devel' of https://github.com/vinzv/openbox-default-settings into devel

Conflicts:
	openbox/rc.xml
Merge pull request #2 from vinzv/devel

More keyboard bindings