Log Message:
Update from version 2.18 to version 2.22.

Pkgsrc changes:
- Install the "shortcut module" DDS

Upstream changes:
2.22 (2010-07-11)

Build.PL fixed to accept DDS and NODDS again

2.21 (2010-06-19)

Resynchronize internal VERSION declarations

2.20

Skipped version 2.20 because version numbers don't play nice when they
end in zeros.

2.19 (2010-06-19)

Tweak t/madness.t to deal with how perl-5.8.[0-8] deparses the pragma
`use warnings' differently.