Rename ForkJoinPool2 -> PrioritizedForkJoinPool
Rename H2SO3InputStream -> H2OS3InputStream.  It isn't sulfurous acid.
Merge branch 'brandon-cleanup'

* brandon-cleanup:
  Rename H2SO3InputStream -> H2OS3InputStream.  It isn't sulfurous acid.
  Rename ForkJoinPool2 -> PrioritizedForkJoinPool