use x-terminal-emulator
package lists: remove grub-customizer
package lists: remove nomnom (does not use youtube-dl)
wiki: add alternatives to pidgin
Merge branch 'keyboard-shortcut-alternatives'

Conflicts:
	packages/rxtx-data/usr/share/glib-2.0/schemas/rxtx.gschema.override
	packages/rxtx-themes/usr/share/themes/Greybird
Merge branch 'no-grub-customizer'
replace lxsession with xfce4-session. remove rxtx-session-openbox, add dependencies directly to package lists.
Merge branch 'xfce4-session'