[maven-release-plugin] copy for tag lessc2java-0.13

[maven-release-plugin] copy for tag lessc2java-0.12

Added date for release 0.11.

Set version to 0.10.

Lessc2java 0.9, depends on znerd-util 0.4.

Version 0.8: Updated to znerd-util 0.3, there is a severe bug in 0.2.

Set version to 0.7. Depending on znerd-util 0.2.

v0.6: Added 'overwrite' attribute.

Version 0.5.

Version 0.4: Default source dir is project base dir.