* Import my "Installation for the Impatient" to the install section.
* Move Booting and memory use into a "Tech Topics" chapter; add
DMA information. (Frank Durda IV)
* Bring in ESDI section. (Wilko Bulte)
* Bring in MD5/DES section. (Garrett Wollman)
* Fix a couple problems with LaTeX output.
on the installation floppy.
Also pulled the entity definitions for the various sections out
of handbook.sgml and put them in their own file since they are used
both by handbook.sgml (the full version) and boothelp.sgml (the
abridged version).