fix adduser command

install.sh

@@ -129,11 +129,7 @@ tput setaf 2
 echo -e "Starting Django project"
 tput setaf 0
 
-# check user and create dirs
-id -u $user > /dev/null
-if [ $? = 0 ]; then
-    adduser $user
-fi
+adduser $user > /dev/null
 if [ ! -d "/home/$user" ] ; then
 	mkdir /home/$user
     chown -R $user:$user /home/$user