Move tp.[ch] to lib/

It's just helper code, not fio core.

Signed-off-by: Jens Axboe <axboe@fb.com>
configure: remove typo for zlib

Signed-off-by: Jens Axboe <axboe@fb.com>
iolog: remove dead code that stored a gzip header

Signed-off-by: Jens Axboe <axboe@fb.com>