Possible bug fix for interactive install

src/freedombone

   fi
 
   if [ -f $CONFIGURATION_FILE ]; then
+      if grep -q "DOMAIN_NAME" $CONFIGURATION_FILE; then
+          DOMAIN_NAME=$(grep "DOMAIN_NAME" $CONFIGURATION_FILE | awk -F '=' '{print $2}')
+      fi
       if grep -q "NAMESERVER1" $CONFIGURATION_FILE; then
           NAMESERVER1=$(grep "NAMESERVER1" $CONFIGURATION_FILE | awk -F '=' '{print $2}')
       fi