allow changes to resolv.conf

src/freedombone-utils-dns

     if [[ $(is_completed $FUNCNAME) == "1" ]]; then
         return
     fi
+
+    # allow changes to resolv.conf
+    chattr -i /etc/resolv.conf
+
     echo 'domain localdomain' > /etc/resolv.conf
     echo 'search localdomain' >> /etc/resolv.conf
     echo "nameserver $NAMESERVER1" >> /etc/resolv.conf