inadyn-mt: add support to specify the IP type together with the alias (by ralf, closes #2484). The syntax is a colon separated combination of alias and IP type, e.g. "alias1:ip4 alias2:ip6 alias3:dual alias4:coupled".


git-svn-id: file:///var/svn/freetz/trunk@12185 149334a1-2f27-0410-a3b9-fc62619ac1e6