freetz_download:
 * update list of kernel.org aliases/mirrors (the old ones don't work anymore)
 * refs [http://www.ip-phone-forum.de/showthread.php?t=272684 this thread]


git-svn-id: file:///var/svn/freetz/trunk@12409 149334a1-2f27-0410-a3b9-fc62619ac1e6