Update run_query.py script for Spark/Shark 0.9, improve output logging#4

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kayousterhout wants to merge 2 commits intoamplab:masterfrom

kayousterhout:master

Commits on Jan 23, 2014

Update run scripts for Spark/Shark 0.9.
kayousterhout
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Commits on Jan 27, 2014

Logging improvements in run-query.py
kayousterhout
committed