Log Message:
Updating databases/p5-MLDBM from 2.01nb3 to 2.04

pkgsrc changes:
- Update comment
- Add license definition
- Switch to Module::Build

Upstream changes since 2.01
2.04 (08 Mar 2010, by Alexandr Ciornii)
    Compatibility with old EU::MM.

2.03 (27 Feb 2010, by Alexandr Ciornii)
    Error in test fixed.

2.02 (19 Feb 2010, by Alexandr Ciornii)
    New tests added.
    Distribution upgraded