get_ip: check ip format (webcm returns "-")

git-svn-id: file:///var/svn/freetz/trunk@11149 149334a1-2f27-0410-a3b9-fc62619ac1e6
freetz firmware update: color output, html umlauts

git-svn-id: file:///var/svn/freetz/trunk@11150 149334a1-2f27-0410-a3b9-fc62619ac1e6
move wtmp&utmp to mod package, wtmp path configurabel by webif (closes #2195)

git-svn-id: file:///var/svn/freetz/trunk@11151 149334a1-2f27-0410-a3b9-fc62619ac1e6
get_ip: add webif option to configure stun/voip server

git-svn-id: file:///var/svn/freetz/trunk@11152 149334a1-2f27-0410-a3b9-fc62619ac1e6
small typo

git-svn-id: file:///var/svn/freetz/trunk@11153 149334a1-2f27-0410-a3b9-fc62619ac1e6
get_ip: cache ip for stun method, so on "onlinechanged" only 1 query is needed

git-svn-id: file:///var/svn/freetz/trunk@11154 149334a1-2f27-0410-a3b9-fc62619ac1e6
modsed: warn about missing files only with verbose_level=3 (closes #2223)

git-svn-id: file:///var/svn/freetz/trunk@11155 149334a1-2f27-0410-a3b9-fc62619ac1e6
do_download: add "-O" (output file name) to wget (fixes #2234)

git-svn-id: file:///var/svn/freetz/trunk@11156 149334a1-2f27-0410-a3b9-fc62619ac1e6