- Add a kludge to detect bad date/times, which cause a seg fault in

- Add a kludge to detect bad date/times, which cause a seg fault in
  Microsoft's version of localtime_r().  So, now we know that Microsoft
  programmers do not check return codes!
- Minor update to web site (new projects page).
- Remove bigint for filenameid from postgresql table -- as demonstrated
  by Martin, it has negative performance repercussions.
- Rework getuser() and getgroup() to avoid any possible race condition
  by returning the value in a buffer rather than from the cached table.
- Add a bit more debug code to the FD status output.