Moving the 'LargeIteratorSuite' to simply test persistance of iterators. It doesn't try to invoke a OOM error any more
Adding docs for spark.serializer.objectStreamReset configuration
Refactoring the BlockManager to replace the Either[Either[A,B]] usage. Now using trait 'Values'. Also modified BlockStore.putBytes call to return PutResult, so that it behaves like putValues.
Merge branch 'iterator-to-disk' of github.com:kellrott/incubator-spark into iterator-to-disk

Conflicts:
	core/src/test/scala/org/apache/spark/storage/LargeIteratorSuite.scala