add mod_del_area, should fix all not matching webif oatches (closes #2278)

git-svn-id: file:///var/svn/freetz/trunk@11356 149334a1-2f27-0410-a3b9-fc62619ac1e6
remove_wlan: less log output

git-svn-id: file:///var/svn/freetz/trunk@11357 149334a1-2f27-0410-a3b9-fc62619ac1e6