TLSServer/Client need to include <errno.h> on NetBSD

Same fix applied as per Solaris. See TD-55 and
c60ec0b6ee3941b36ce25c21a424dc055ed5b062
TW-101 - New description column format: Truncated WITH annotation count

Adds a "truncated with annotation count" column style for the
description field and corresponding unit test.
TW101

- Renamed bug.101.t to tw-101.t, which is basically namespace resolution.
- Typo in NEWS.