add hash function pool
Merge branch 'master' into shumo_add_more_seeds_for_hash_function
Merge pull request #581 from uwescience/shumo_add_more_seeds_for_hash_function

Hash function pool
Merge pull request #597 from uwescience/slxu-improve-sql-exception-processing

Process SQLException.getNextException
SystemTestBase: up worker bootup timeout
Merge branch 'master' into slxu-fix-network-backpressure

Conflicts:
	systemtest/edu/washington/escience/myria/systemtest/SystemTestBase.java