directory structure

[David Relson]

Matthias,

I have a working bogofilter configuration with a src directory (which 
includes dcdflib).  The tests directory is still at the top 
level.  src/Makefile.am doesn't allow ../tests in SUBDIRS, which seems to 
mean that "make check" must be run from the top directory or else tests 
should be a subdirectory of src.

What are your thoughts on best organization for src and tests?

David