mutt: unset mbox_type

I usually use IMAP, but for temporary stuff mbox is more convenient than maildir.
mutt: use GPGME

Arch's package has the patch.
mutt: colourize the progress bar (mutt-kz)
mutt: clean up color settings
mutt: change quoted to magenta
mutt: clean up
mutt: use box drawing characters instead of em dash
mutt: give some space to the subject
bash: prompt: make a bare '~' be wdhead, not wdtail
bash: theme: make pwd_tail be underlined
mutt: larger pager context
bash: prompt: canonicalize $HOME a little bit
bash: fix fullpwd=h breaking 'y' mode
mutt: also set search_context
mutt: clean up key bindings
tig: bind Backspace to view-close like in mutt
mutt: different scroll keybindings
mutt: FUCK YEAH 256 COLORS
mutt: give up on trying to make the quote_regexp perfect
mutt: keep unread+(flagged/tagged) items bold