[various] Remove redshift, disable GTK3 CWD, Zenity endsession.
[GTK] Switch to Vertex themes (nice!).
[bin/OB] PCManFM/Nitrogen/MATE notification daemon.

Sucks that SpaceFM is going unmaintained, but no huge loss. Easy
to fix.
[bin] Zenity version of end-session.
[ST3] Stop reordering this.
[recoll] Enable indexing daemon, config tweaks.
[bin] Not using mutt anymore in dotfiles.