fixing task launches to not launch tasks erroneously.
fixing task launches to not launch tasks erroneously.

nalingarg2/hdfs,ryane/hdfs,ryane/hdfs,jan-zajic/mesos-hdfs,edgefox/hdfs,jmlvanre/hdfs,LLParse/hdfs,smorin/hdfs,andrewrothstein/hdfs,jmlvanre/hdfs,kensipe/hdfs,smorin/hdfs,edgefox/hdfs,dmitrypekar/hdfs,andrewrothstein/hdfs,mesosphere/hdfs,kensipe/hdfs,mesosphere/hdfs,nalingarg2/hdfs,LLParse/hdfs,jan-zajic/mesos-hbase,jan-zajic/mesos-hdfs,dmitrypekar/hdfs,jan-zajic/mesos-hbase