[Conkeror] Prevent that a website can steal keyboard focus

[Daniel Clemente]

> Put this into your rc file:
> browser_prevent_automatic_form_focus_mode(true);

  Thanks, that was easy.

  More important than the name is the documentation (there is none yet).
  I did read the description for browser_automatic_form_focus_window_duration but I couldn't understand why that was needed or what browser_prevent_automatic_form_focus_mode did.


-- Daniel