Tomb dependency

src/freedombone-image

 if [[ $VARIANT == 'meshclient' || $VARIANT == 'meshusb' ]]; then
     IMAGE_NAME=$'meshclient'
     if [ ! $IMAGE_SIZE_SPECIFIED ]; then
-        IMAGE_SIZE=3G
+        IMAGE_SIZE=4G
     fi
 fi
 

src/freedombone-image-customise

 	# tool to change desktop settings from command line
 	chroot "$rootdir" apt-get -y install dconf-cli dconf-gsettings-backend dbus dbus-x11
 
+	# for tomb
+	chroot "$rootdir" apt-get -y install pinentry-gtk2
+
 	if [[ $VARIANT != "usb" ]]; then
 		# log in automatically
 		chroot "$rootdir" apt-get -y install nodm xinit

src/freedombone-utils-filesystem

 TOMB_COMMIT='c80ebd6d6ed77980eb5b559757e03ea13a29bdd1'
 
 function mesh_install_tomb {
-	chroot ${rootdir} apt-get -y install cryptsetup zsh
+	chroot ${rootdir} apt-get -y install cryptsetup zsh pinentry-curses
 
 	if [ ! -d ${rootdir}/$INSTALL_DIR ]; then
 		mkdir -p ${rootdir}/$INSTALL_DIR
 		fi
 	fi
 
-	apt-get -y install cryptsetup zsh
+	apt-get -y install cryptsetup zsh pinentry-curses
 
 	if [ ! -d $INSTALL_DIR ]; then
 		mkdir -p $INSTALL_DIR