add checking the version of groovy and add an option to skip testing for the build script
add checking the version of groovy and add an option to skip testing for the build script

git-svn-id: c108d6bd3f0d9e1e482bf6e2c3e4c17568ceb8cf@48 de1aa1df-9997-7042-bcab-4b162ccbf486

gperfutils/gbench