Merge pull request #5 from jhartlaub/master

Incorporate new csd-7 hive to fix timestamp bug.
[maven-release-plugin] prepare release shark-0.3.0-csd-12
[maven-release-plugin] prepare for next development iteration
Fix HBase filter pushdown
Merge pull request #6 from mbautin/master-csd-hbase-filter-pushdown

Fix HBase filter pushdown
Update hive version to pick up fix for HVIE-4122, null timestamp values.