Adding predicate support, ala @jmahonin's fork.

Ideally I would like to use the LINQ-style query syntax, but this will have to work for the first pass.
Adding more test conditions, fixing a typo in the HBase Zookeeper quorum setting
Removing stray println
Updating to Spark 1.2.0 - the DATE type is handy.

Bumping version to 0.0.3-SNAPSHOT because of Spark upgrade
Netty seems to be noisier now
Merge branch 'master' into predicates