fix a bug that the defaulthandle system property's prefix is still 'groovybenchmark.sf.net'
fix a bug that the defaulthandle system property's prefix is still 'groovybenchmark.sf.net'

git-svn-id: c108d6bd3f0d9e1e482bf6e2c3e4c17568ceb8cf@24 de1aa1df-9997-7042-bcab-4b162ccbf486

nikgoodley-ibboost/gbench,hellobigbean/gbench