IndexedRDDBase -> IndexedRDDLike
Document IndexedRDD{,Like}.scala
Document IndexedRDDOps.scala
Remove IndexedRDDFunctions

Move partitionWithSerializer to IndexedRDD object.
Remove partitionWithSerializer entirely
IndexedRDDPartitionBase -> IndexedRDDPartitionLike
Document IndexedRDDPartition{,Like}
Document IndexedRDDPartitionOps.scala
Fix diff doc
Fix bug in ImmutableBitSet.|
Fix bug in IndexedRDDPartitionOps.diff
Undo SizeEstimator change
Fix some overlooked renames
Fix ImmutableBitSet wordIterator bug
Document collections and make things private
Revert changes to PrimitiveKeyOpenHashMap and just expose members
Remove GraphXPrimitiveKeyOpenHashMap
Remove IndexedRDDBenchmark from public release
Fix scalastyle
Make SumFunction private