commit 6fd82d61a2b82e772e8cde0e04516f5c3ca98ed3
Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
Date:   Sun Nov 23 17:22:41 2014 +0100

    Switch to the *eww* buffer immediately to avoid doing it asynchronously
    
    (eww): Pop to the *eww* buffer immediately after executing the
    `M-x eww' command to avoid having buffers pop up later.
    (eww-display-html): Don't pop the *eww* buffer.
    (eww-display-raw): Ditto.
    (eww-display-image): Ditto.