Remove CappedFiberFactory from Node.

Remove the use of CappedFiberFactory (seeing deadlocks under load).
Switch to the latest upstream jetlang dependency.
Merge pull request #33 from pkwarren/remove_capped

Remove CappedFiberFactory from Node.
[maven-release-plugin] prepare release scalang-scala_2.9.1-0.27
[maven-release-plugin] prepare for next development iteration