system/essential/verbatim-toplevel: bluetooth: update.
system/essential/verbatim-toplevel: netctl, router: minor fixes to self-hosted network configuration.
system/essential/archlinux: makepkg.conf.*: update OPTIONS.
system/essential/verbatim-toplevel: netctl: update WLAN profiles.
user/miscellanea: bash_rc: add find_newer() function.