Test realms support, ssh, etc (pre9 changes)

Fix update_framed_route() to better handle netmask according to RFC.
(Linux 2.2 wants /bits on networkip. 2.0 can't deal with it.)

Reply-Message Giving extra instance of element 0 for over 1 output.
Can't find bug. Is it the RADIUS server?  

Add connect info patch?

post 1.2.0
	ML-PPP support
	provide route/ifconfig port to iproute?
	
	Portability issue fixes.

	Fix remaining 'FIX ME's.

	Implement PW_NAS_PORT_LIMIT (?)
	Implement PW_FRAMED_ROUTING (?)

post 2001
	Fix serial port locking for devfs (needs LSB discussion).

	Fix SLIP code to do proxyarp the same way as ppp.

	Make sure that all error codes from system calls are caught, particularly the write() calls in chat.c!

	Re-format everything to new coding standards, two spaces for indenting, no tabs, '{' and '}' in the same column.

	Check all the locking code and make sure that all error conditions are caught.

	Fix the following bug where it always seems to restart twice:
Oct 14 22:49:37 tsv port[S23]: portslave started on port 23 (/dev/ttyE23)
Oct 14 22:49:41 tsv port[S23]: tcsetattr /dev/ttyE23: Input/output error
Oct 14 22:49:41 tsv port[S23]: portslave started on port 23 (/dev/ttyE23)
