Create a new user during image install

src/freedombone

 export TEXTDOMAIN=$PROJECT_NAME
 export TEXTDOMAINDIR="/usr/share/locale"
 
+# username created by default within a debian image
+GENERIC_IMAGE_USERNAME='fbone'
+
 # Web site
 FREEDOMBONE_WEBSITE="http://freedombone.uk.to"
 

src/freedombone-config

 # Minimum number of characters in a password
 MINIMUM_PASSWORD_LENGTH=10
 
+# file containing new password
+IMAGE_PASSWORD_FILE=/root/login.txt
+
 # Different system variants which may be specified within
 # the SYSTEM_TYPE option
 VARIANT_FULL="full"
     fi
 
     if [ -d /home/$GENERIC_IMAGE_USERNAME ]; then
+		if [ ! -f $IMAGE_PASSWORD_FILE ]; then
+			echo 'Cannot find the password file for the admin user'
+			exit 62753
+		fi
         # when installing from an image which comes with a known default user account
         selected_username=
         while [ ! $selected_username ]
                            if [ ${#possible_username} -gt 1 ]; then
                                if [[ $possible_username != $GENERIC_IMAGE_USERNAME ]]; then
                                    MY_USERNAME=$(cat $data)
-                                   usermod -l $MY_USERNAME $GENERIC_IMAGE_USERNAME
-                                   usermod -d /home/$MY_USERNAME -m $MY_USERNAME
+                                   useradd -m -p "$IMAGE_PASSWORD_FILE" -s /bin/bash $MY_USERNAME
                                    break
                                fi
                            fi