bash: aliases: add rdempty
bash: aliases: add kzgrep, lsd
bash: aliases: 'alphasorted' my ass
bash: aliases: use HTTPS
bash: aliases: update usls/psls again for new systemd

...and remove completion that never worked.
bash: aliases: put some consistency in lspkg/lcpkg/&c. errors
bash: aliases: make `ppid` use a sane default
inputrc: prevent Alt+ą, Alt+č, etc. from inserting garbage

Normally bash eats the first character following the ESC.
inputrc: minor cleanup
dotfiles: update notes for Weechat
hg: enable the gpg extension