64-bit support (see email)

Ensure result of ...record_get_entries () not causing memory leak.

Fix seeking.

Documentation, see README (put documentation in test code?).

Clean up test_dmap_server.

	Fix code that determines path of test.jpeg.

See FIXME's in dmap-share.c, daap-share.c and dpap-share.c.

Comment purpose of each source file and describe interfaces, using test
programs as examples.

Submit as a GNOME or Freedesktop project.
