Allow sbt TestNG plugin to be resolved on systems that don't have it cached already
Allow sbt TestNG plugin to be resolved on systems that don't have it cached already

I found this change necessary in order to do a successful sbt release.
See the discussion at https://github.com/sbt/sbt-testng-interface/issues/9

annkupi/picard,alecw/picard,broadinstitute/picard,nh13/picard,broadinstitute/picard,alecw/picard,nh13/picard,nh13/picard,broadinstitute/picard,annkupi/picard,alecw/picard,annkupi/picard,broadinstitute/picard,alecw/picard,nh13/picard,broadinstitute/picard,annkupi/picard