Only create znc config for valid users

src/freedombone-app-irc

         is_admin='false'
     fi
 
+    if [[ $(is_valid_user "$new_username") == "0" ]]; then
+        return
+    fi
+
     read_config_param IRC_PORT
     read_config_param DEFAULT_DOMAIN_NAME
+    read_config_param IRC_PASSWORD
 
     stop_irc_bouncer
 
     echo '    </Network>' >> /home/znc/.znc/config/znc.conf
     echo '</User>' >> /home/znc/.znc/config/znc.conf
 
-    mkdir -p /home/znc/.znc/moddata/webadmin
     mkdir -p /home/znc/.znc/users/${new_username}/moddata
     mkdir -p /home/znc/.znc/users/${new_username}/networks
     mkdir /home/znc/.znc/users/${new_username}/moddata/chanserver
     mkdir -p /home/znc/.znc/users/${new_username}/networks/${PROJECT_NAME}/moddata/chansaver
     mkdir -p /home/znc/.znc/users/${new_username}/networks/${PROJECT_NAME}/moddata/simple_away
 
+    mkdir -p /home/znc/.znc/moddata/webadmin
+
     chown -R znc:znc /home/znc/.znc
 
     start_irc_bouncer