update version: 2.1.1

update version: 2.1

[maven-release-plugin] copy for tag gmaven-2.0

[maven-release-plugin] copy for tag gmaven-1.5

[maven-release-plugin] copy for tag gmaven-1.4

[maven-scm] copy for tag gmaven-1.3

[maven-scm] copy for tag gmaven-1.2

[maven-scm] copy for tag gmaven-1.1

Importing HEAD sources from https://svn.codehaus.org/groovy/gmaven

Importing HEAD sources from https://svn.codehaus.org/groovy/gmaven