- remove -o flag; not used.
Revert "- remove -o flag; not used."

This reverts commit dffd0de80bc88e16854a24bc77d74271b04cb1e1.
Revert "- start working on multiple output worker support"

This reverts commit de41a19eba26c2b96132fad2a97050f8eba81bec.
Revert "- Add -o / --outputworkers flag"

This reverts commit a967419b03bae2acb9464e0bf8b3dea0fcf6d051.
- keep the original configuration parameters around for use with plugin
cloning (this avoids leaking default values into output workers)