3490:
 * bump firmware version to [ftp://ftp.avm.de/fritz.box/fritzbox.3490/firmware/deutsch/info.txt 140.06.20]
 * refs #2541


git-svn-id: file:///var/svn/freetz/trunk@12432 149334a1-2f27-0410-a3b9-fc62619ac1e6