Fix ownership of www folders

install.sh

@@ -184,7 +184,7 @@ log_running "Setting up Nginx..."
 sudo cp templates/nginx.cfg /etc/nginx/sites-enabled/default
 (
     sudo mkdir -p /var/www/wx/images
-    sudo chown -R www-data:www-data /var/www/wx
+    sudo chown -R pi:pi /var/www/wx
     sudo usermod -a -G www-data pi
     sudo chmod 775 /var/www/wx
 )