demoronize script handles non-breaking spaces

also added some comments
add redspace mode
enable savehist-mode

Remove some older comments.
enable whitespace mode on hosts
host-specific custom-file in ~/dotfiles/emacs/host/hostname.customize.el
remove trailing whitespace

thank you redspace.el
add an agenda view for untagged items

I would prefer to use 'agenda' rather than 'tags' here, but couldn't find an easy way to display untagged items.
adding personal aspell dictionary

just getting started, need to track down one of my old lists.
adding mac-ssh-askpass

This works great with sudo commands in babel, although the pop-up window title is 'ssh'.