Bug fix for NULL data in table when using sql2rdd/TableRDD.
Data returned as java objects or "null" values- previously the Scala objects could not represent "null".
Lines less than 100 chars.
Merge pull request #85 from jhartlaub/bugfix

Bug fix for NULL data in table when using sql2rdd/TableRDD (SHARK-119)
Added HiveStructSerializer to serialize data rows.
Configuring JobConf using the storage handler
Merge pull request #89 from mbautin/storage_handler_job_properties

Configuring JobConf using the storage handler
Rename Split to Partition, per Spark commit

https://github.com/mesos/spark/commit/06e5e6627f3856b5c6e3e60cbb167044de9ef6d4#core/src/main/scala/spark/Partition.scala
Removed EnhancedRDD and use Spark's PartitionPruningRDD instead.
Changed Spark version to 0.7.0.
Merge remote-tracking branch 'source/master' into cache-insert

Conflicts:
	src/main/scala/shark/execution/TerminalOperator.scala
Replace "split" with "partition" and "index" in TableScanOp