boofa bootloader integration
Housekeeping 

Remove a definition of an unused word.


git-svn-id: svn://svn.code.sf.net/p/amforth/code/trunk@1451 fd1c0b69-5d68-47f5-910c-86182ebb6ecd
Flash communicates as words with AVRDUDE.
Explain a lot more

The 256x devices are somewhat special since they need a 24 bit address. Not easy with an
16bit virtual machine..


git-svn-id: svn://svn.code.sf.net/p/amforth/code/trunk@1452 fd1c0b69-5d68-47f5-910c-86182ebb6ecd
boofa skips even pages...
Merge branch 'hq'
boofa removed until ready for publication.
The BOOFA bootloader, now an external project, can be used to load AmForth.