Get Shark to compile with latest Spark master.
Handle SparkHadoopWriter being made non-pubic.

Added a simple CreateJobID() nested function
Revert to using RDD#collect() for map joins,
Since Spark can send Task results through the block manager when the Akka frame size is exceeded

- Reverts Shark PR #98
- Relevant commit on the Spark side: apache/incubator-spark@c75eb14
Catch exceptions thrown by threads launched in ScriptOperator.
Synchronize calls to TaskContext#addOnCompleteCallback() in ScriptOperator.
Remove Kryo references in SharkEnv. The ShuffleSerializer is explicitly specified as the object serializer for shuffle ops.
Add a NULL check in ReduceKeyReduceSide#equals().
Compatible with Spark-0.8.1-incubating-SNAPSHOT @3db505c21f
Merge pull request #202 from markhamstra/0.8.1-picks

0.8.1 SNAPSHOT
Use the proper local variable for fair scheduler pool in Spark.

(cherry picked from commit 5e5f9d66d6948df4ce2e950ee670ce6ea25e0d46)
Signed-off-by: Reynold Xin <rxin@apache.org>
fix byte buffer overflow caused by wrong size info
Merge pull request #209 from xiliu82/branch-0.8

fix byte buffer overflow caused by wrong size info
Merge branch 'branch-0.8' of https://github.com/amplab/shark into master-csd

Conflicts:
	pom.xml
Bumped Spark version
Merge pull request #38 from markhamstra/master-csd

Shark to 0.8.1