curses.h so that you don't have to suffer the curses namespace pollution
just to get the symbolic key names.

"boot" command to attempt booting from within the command shell, fall back
to shell if boot fails for any reason.

the option config UI.

Introduce new {show,set,clear}_setting() that take a struct setting *
rather than a const char *.

set_setting() handles calling clear_setting() when appropriate, so that
individual setting types don't have to check for empty strings.

command is linked in.

abstraction.

non-ANSI-capable consoles.

based on the device size.

of execl().

(which was extremely heavy on calls to malloc()).

Moved include/command.h to include/gpxe/command.h, since it's
gPXE-specific.

in our commands.

Remove the now-totally-obsolete sockaddr_in field from tcp.h.

http://www.microsoft.com/whdc/winlogo/hwrequirements.mspx as required
for iSCSI boot.  Note that options 204-206 are listed in the document
but don't seem to be defined anywhere on the web.

completely forgot I'd written ages ago.