doc: reorder package lists, add doc
packages: add va-driver-all
packages (disabled): merge networktools in adv-network-tools
xfce4-terminal: add numix colorscheme
thunar: right-click menu: move extra actions to "send to" menu
add florence virtual keyboard config
packages: DE: replace xscreensaver with light-locker
config: nano: use automatic tab-to-spaces (4 spaces)
scripts: right-click menu: add "Transmission (share)" as a "Send to" destination
 * lightweight zenity/gtk wrapper for torrent creation and sharing via transmission-gtk