~geb/tiles

install: split out ./install-shell.sh
add --version
bump copyright years
minor tweaks
menu: restyle code
sxhkd: fix Super+=
tweak PACKAGES comments
overhaul readme and manpage intro, add screenshot
install: overhaul
menu: overhaul suspend and hibernate

Turns out the zzz command is Void Linux specific,
this adds /usr/libexec/tiles/zzz.
urxvt: use eval for copy/paste
bspwm: increase border width
bspwm: use alternate automatic insertion scheme
add tiles-shell
manpage: minor rewording
support overriding the compositor
qutebrowser: add wt and wu bindings
qutebrowser: support additional config files
manpage: format
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