Change x509 log - now certificates are only logged once per hour.

Add parsing of several more types to SAN extension.

Make error messages of x509 file analyzer more useful.

Fix file ID generation.

You apparently have to be very careful which EndOfFile function of
the file analysis framework you call... otherwhise it might try
to close another file id. This took me quite a while to find.

addresses BIT-953, BIT-760, BIT-1150