+ Add "FORCE_FIRMWARE=1" to CONF.sh to turn this on
+ Will pick up on packages in the "firmware" task and install them
+ Will also add sym-links to them in CD1/firmware so that new d-i code
can find them easily.
+ Will add a short sentence into README.html/README.txt
* Add top-level control of which checksums are desired for output images
see the CHECKSUMS setting in CONF.sh
* Fix some bashisms in tools/apt-selection.