Signed-off-by: Michael Brown <mcb30@ipxe.org>

Access to the gpxe.org and etherboot.org domains and associated
resources has been revoked by the registrant of the domain.  Work
around this problem by renaming project from gPXE to iPXE, and
updating URLs to match.

Also update README, LOG and COPYRIGHTS to remove obsolete information.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

This adds basic rfkill support for enabling the wireless card on certain
laptops, and changes miscellaneous other details that may help in obscure
cases.

Also change the error handling to not report CRC errors, which due to the
basic facts of wireless may happen even more frequently than valid packets.

Signed-off-by: Marty Connor <mdc@etherboot.org>