Pass through the minimum password length when creating an image

src/freedombone-image

 	 WIFI_PASSPHRASE="$WIFI_PASSPHRASE" \
 	 WIFI_HOTSPOT="$WIFI_HOTSPOT" \
 	 WIFI_NETWORKS_FILE="$WIFI_NETWORKS_FILE" \
-	 VARIANT="$VARIANT"
+	 VARIANT="$VARIANT" \
+	 MINIMUM_PASSWORD_LENGTH="$MINIMUM_PASSWORD_LENGTH"
 
 if [ ! "$?" = "0" ]; then
 	echo $'Build failed'

src/freedombone-image-customise

 
 # Minimum number of characters in a password
 MINIMUM_PASSWORD_LENGTH=10
-if [ -f /usr/local/bin/${PROJECT_NAME} ]; then
-	MINIMUM_PASSWORD_LENGTH=$(cat /usr/local/bin/${PROJECT_NAME} | grep 'MINIMUM_PASSWORD_LENGTH=' | head -n 1 | awk -F '=' '{print $2}')
-else
-	if [ -f /usr/bin/${PROJECT_NAME} ]; then
-		MINIMUM_PASSWORD_LENGTH=$(cat /usr/bin/${PROJECT_NAME} | grep 'MINIMUM_PASSWORD_LENGTH=' | head -n 1 | awk -F '=' '{print $2}')
-	fi
-fi
 
 # IP address of the router (gateway)
 ROUTER_IP_ADDRESS="192.168.1.254"

src/freedombone-image-make

 export WIFI_HOTSPOT
 export WIFI_NETWORKS_FILE
 export VARIANT
+export MINIMUM_PASSWORD_LENGTH
 
 # Locate vmdebootstrap program fetched in Makefile
 basedir=`pwd`
 sudo sed -i "s|WIFI_HOTSPOT=.*|WIFI_HOTSPOT=\"${WIFI_HOTSPOT}\"|g" $TEMP_CUSTOMISE
 sudo sed -i "s|WIFI_NETWORKS_FILE=.*|WIFI_NETWORKS_FILE=\"${WIFI_NETWORKS_FILE}\"|g" $TEMP_CUSTOMISE
 sudo sed -i "s|VARIANT=.*|VARIANT=\"${VARIANT}\"|g" $TEMP_CUSTOMISE
+sudo sed -i "s|MINIMUM_PASSWORD_LENGTH=.*|MINIMUM_PASSWORD_LENGTH=\"${MINIMUM_PASSWORD_LENGTH}\"|g" $TEMP_CUSTOMISE
 
 echo $"starting $VMDEBOOTSTRAP"
 # Run vmdebootstrap script to create image