feat(karaf-commands): camunda specific commands to the karaf console

The new OSGi bundle could connect to the Camunde engine registered in the OSGi console
and print out information with multiple commands such as camunda:deployment-list,
camunda:activity-list, camunda:process-list, etc.
Merge pull request #8 from dpcconsulting/karaf-commands

feat(karaf-commands): camunda specific commands to the karaf console