mutt: set signature file in an account
Xdefaults: behelit colors: change blue color, move old blue to cyan
Xdefaults: move colors in ~/.Xresources, rm ~/.xdefaults.d, assign colors only at urxvt
Xdefaults: change fg and cursorColor to #60ff60
Xdefaults: behelit theme: change light magenta
emacs/behelit theme: change all #5fafff to #5f87ff
vim/behelit theme: change all #5fafff to #5f87ff