Merge from vendor branch TNF:

Merge from vendor branch TNF:
Initial import of pwsafe-0.1.6 from pkgsrc-wip, packaged by
Mike M. Volokhov.

pwsafe is a unix commandline program that manages encrypted password
databases. There are few features listed:

* Pure command-line operation if desired (good for remote access over ssh).
* Can interact with X11 selection & clipboard.
* Portable, endianess-clean, misaligned-access-free C++.
* Compatible with CounterPane's PasswordSafe Win32 program versions 1.9.x.
* Funny comments included in source code.