Minor cleanups before 0.9.0
Actually compile
TypedSink for VersionedKeyValSource
Use ValuePipe for Scalar2
Merge pull request #620 from twitter/some-java-relatedcleanups

Minor cleanups before 0.9.0
Merge pull request #626 from twitter/typedsink

TypedSink for VersionedKeyValSource
Merge pull request #628 from twitter/fix-scalar2

Use ValuePipe for Scalar2
Merge branch 'develop' into either

Conflicts:
	scalding-core/src/main/scala/com/twitter/scalding/typed/ValuePipe.scala
Handle merges