[maven-release-plugin] copy for tag lenskit-2.0.3.2

[maven-release-plugin] copy for tag lenskit-2.0.3.1

[maven-release-plugin] copy for tag lenskit-2.0.3

[maven-release-plugin] copy for tag lenskit-2.0.2

Release LensKit 2.0.1.

[maven-release-plugin] prepare release lenskit-2.0

[maven-release-plugin] prepare release lenskit-2.0-M2

[maven-release-plugin] prepare release lenskit-2.0-M1

[maven-release-plugin] prepare release lenskit-1.3

[maven-release-plugin] prepare release lenskit-1.2