STORM-3072: Reduce fork count for storm-sql-core tests to 1, the tests appear to interfere
STORM-3072: Reduce fork count for storm-sql-core tests to 1, the tests appear to interfere

kishorvpatil/incubator-storm,hmcl/storm-apache,hmcl/storm-apache,hmcl/storm-apache,kishorvpatil/incubator-storm,hmcl/storm-apache,kishorvpatil/incubator-storm,kishorvpatil/incubator-storm,erikdw/storm,hmcl/storm-apache,erikdw/storm,erikdw/storm,kishorvpatil/incubator-storm,erikdw/storm,hmcl/storm-apache,hmcl/storm-apache,kishorvpatil/incubator-storm,kishorvpatil/incubator-storm,erikdw/storm,erikdw/storm,erikdw/storm