make clearer that DIAGNOSTICS_DIRECTORY is just used as a flag
make clearer that DIAGNOSTICS_DIRECTORY is just used as a flag

GoelDeepak/dcos,surdy/dcos,kensipe/dcos,mesosphere-mergebot/mergebot-test-dcos,mesosphere-mergebot/mergebot-test-dcos,GoelDeepak/dcos,mesosphere-mergebot/dcos,kensipe/dcos,GoelDeepak/dcos,mellenburg/dcos,dcos/dcos,kensipe/dcos,mellenburg/dcos,mesosphere-mergebot/dcos,amitaekbote/dcos,mesosphere-mergebot/mergebot-test-dcos,amitaekbote/dcos,mellenburg/dcos,surdy/dcos,GoelDeepak/dcos,dcos/dcos,mellenburg/dcos,dcos/dcos,amitaekbote/dcos,amitaekbote/dcos,surdy/dcos,mesosphere-mergebot/dcos,dcos/dcos,mesosphere-mergebot/mergebot-test-dcos,surdy/dcos,mesosphere-mergebot/dcos,dcos/dcos,kensipe/dcos