Since Hive Concurrency issues in Object Inspector have been fixed, revert the synchronization in Shark. Still need to leave a class level lock in XMLDecoder as its not threadsafe
SHARK-159: outer join on null key would output the same row value for all null key rows.
Removed de.javakaffee.kryoserializers.ArraysAsListSerializer reference
because Spark's chill-java library will take care of that.
Merge pull request #109 from amplab/kryo

Kryo update.
Merge pull request #107 from harsha2010/concurrency

Revert synchronization for Object Inspectors since its fixed in Hive branch
Log test name when running Hive tests
Merge pull request #112 from amplab/master

Merge master