hardware: updated the list of what works, broken down by OF version
added devices reported as working by port-macppc posters
added list of what devices are supported by which versions of OF
included description of how each OF version boots
described partitioning
prep: describe how to enter OF depending on OF version
also described how to set up some important OF variables
install: give examples of boot commands
list of common error messages and what they mean
mbw