Log Message:
devel/ruby-c21e: update to update to 2.0.0

Update to ruby-c21e to 2.0.0.

2.0.0 - 2019-08-14

Fixed

* [TypeScript] ExeFile not a constructor (#641 #634 joscha)

1.2.1 - 2019-06-06

Fixed

* [Java] fix the build, which failed on Travis, causing 1.2.0 to not be
  released.

1.2.0 - 2019-06-06

Added

* [Java] added Exe#waitFor

Changed

* [Java] added Exe#execute no longer throws InterruptedException

1.1.9 - 2019-03-22

Fixed

* [JavaScript] releases are now working again.