[zsh] remove trailing white space
[mutt] enhanced colors
[mutt] handling attachments
[mutt] Improve/fix qwerty bindings
[mutt] Bepo bindings are now an extension of qwerty ones
[mutt] Change various options

And fix the "url cutted off" bug (due to bad piping)
[mutt] change layouts
[mutt] Add m host-specific configs
[mutt] No more abook -- directly use mutt alias.
[mutt] Improve imap laas config
[mutt] CheckAttach is executable
[mutt] Add new navigation bindings
[bootstap] Instell xsel, required by urxvt extensions