Removed Opening and Closing historical artifacts.
Fixed scala compilation error.
remove package rx.lang.scala.util since all its contents were removed
remove import rx.lang.scala.util._
Merge pull request #1 from samuelgruetter/OpeningClosingRemovedSam

remove package rx.lang.scala.util since all its contents were removed
Merge pull request #573 from akarnokd/OpeningClosingRemoved

Removed Opening and Closing historical artifacts.