- Replacement for setproctitle()

- Improve PAM support (a pam_lastlog module will cause sshd to exit)

- Better documentation

- Replace the horror in acconfig.h which tries to comphensate for the 
  lack of u_intXX_t types. There must be a better way.

- Move all compatability cruft (bsd-*, fake-*) into subordinate library

- Cleanup configure.in

- Load / write random seed on startup / exit