fix(setup): do not register process engine with JMX container

- do not register process engine with runtime container
- remove SpringServletProcessApplication

this transforms the setup into a purely embedded setup which seems to
be a better fit for this environment.

related to #16
release(project): prepare bugfix iteration
chore(engine): merge branch 'meyerdan-embedded-engine'

Closes #16, closes #17
release(project): prepare release 0.1.1