permit calloc(0, N) and calloc(N, 0) -- malloc(0) does the right thing

return failure if integer overflow happens.  sigh; too people had to
help get this right.

okay theo.

isakmpd.policy -- change startup conditions accordingly.

the release directory.
cleanup, do not mention bsdofw.rd.

ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf, ok deraadt@

jakob@ ok

connected to a modem.

ok jason@

in $ac_aux_dir.

login process. ttyCcfg was not previously initialized properly on login.

the same behavior as audio devices.
--
Brought to my attention by and reviewed by: fries@

changing to www.www - leaving them more easily modified by a problem
in a cgi or httpd. Also send SIGUSR1 for a graceful restart as apache
expects. noticed by mpech@, ok millert@

add tty0*/cua0*
reorder abit

concept originally from Joshua Stein <jcs@rt.fm>, thanks!
markus@, espie@ ok; based on useful discussion from fgsch@, espie@, heko@