Change lock_frame() -> read_lock_frame() for clarity.
Vanquish all references to MRTask2.  Removing from comments removes from javadoc.
Rename ParseDataset2 -> ParseDataset
Various comment cleanups.
fixes for dummy frames wrapping single vecs (python req)
Rename InspectDataOut -> SVMLightInspectDataOut
Rename InspectDataOut -> SVMLightInspectDataOut
Merge branch 'brandon-cleanup'

* brandon-cleanup:
  Rename InspectDataOut -> SVMLightInspectDataOut
  Rename InspectDataOut -> SVMLightInspectDataOut
  Various comment cleanups.
  Rename ParseDataset2 -> ParseDataset
  Vanquish all references to MRTask2.  Removing from comments removes from javadoc.
  Change lock_frame() -> read_lock_frame() for clarity.

Conflicts:
	h2o-core/src/main/java/water/api/ParseHandler.java
Rename ConfusionMatrix2 -> ConfusionMatrix
Rename BinTask2 -> BinningTask
Cleanup of wrapper.R code.
Merge branch 'master' of https://github.com/h2oai/h2o-dev
Cleanup word2vec R wrapper.
push changes to fix runit_apply
Merge branch 'master' of https://github.com/h2oai/h2o-dev
update to match kmeans
Merge branch 'master' of github.com:h2oai/h2o-dev
Cleanup predict.R file.
Rename ForkJoinPool2 -> PrioritizedForkJoinPool
Cleanup pca.R file.