Xresources: fix Xterm

Change select-end() to copy-selection(), it is more proper here.

<KeyPress> probably fits better, too
git: add refs, tags aliases
makepkg: stop using systemd-notify --booted

The official sd_booted() API now just checks for the directory's
existence, and can be reimplemented directly.
Merge branch 'master' of git://github.com/grawity/dotfiles