Fix to handle nested partitions in cached mode.
Merge pull request #299 from sundeepn/nested-0.8

Fix to handle nested hive partitions in cached mode.
Fix to handle nested partitions in cached mode.
Bumped Spark
Merge branch 'branch-0.8' of https://github.com/amplab/shark into master-csd
Merge pull request #45 from markhamstra/master-csd

Bumped Spark