Message header should looks awesome

[Difrex]

It looks like this now:

ID:      f1S8Jo7f6XinQGzlXcGi
From:    Difrex(mobile)(tavern,23)
To:      Andrew Lobanov
Echo:    ii.test.14
At:      Thu Jun 28 09:53:59 2018
Subject: Re: idec.el научился нормальному виду в локальной эхе

I see the awesome look and feel in Caesium

Maybe rewrite our header to something like this? With a repto jump support of course