Installer bugfix

Author: stutzerik

installer/install_en.sh

@@ -25,6 +25,7 @@ case $yn in
  sudo cp 000-default.conf /etc/apache2/sites-available
  sudo rm -rf /etc/apache2/apache2.conf
  sudo cp apache2.conf /etc/apache2
+ sudo a2enmod rewrite
  sudo systemctl restart apache2
  sudo systemctl enable apache2
  echo "Installing MySQL database server...";
@@ -52,4 +53,4 @@ case $yn in
 exit;;
 * ) echo Not an acceptable answer. Please use y or n keys!;
 exit 1;;
-esac
+esac