[liferea] Add accels
[x509] Single crt for all Mozilla roots

/usr/share/ca-certificates/mozilla/*
[cmus] Remove zernburn.theme
[liferea] Toggle back at m
[bash] Remove systemd completions

Looks like upstream has finally changed their mind about systemctl
completing disabled units.
[bash] Update bash completions
[bash] Re-add systemctl completion

Actually, upstream still doesn't do what I like
Revert "[readline] exec /proc/self/exe"

ARGV[0] becomes /proc/self/exe, which is confusing.

This reverts commit 9fd485b7f95adff2d0f6b1232fce39e16abb9228.
[pass] Update