[OPENENGSB-3235] create KnowledgeResourceHandler
[OPENENGSB-3235] create KnowledgeAgent test class
[OPENENGSB-3235] create tests for KnowledgeResourceHandler
[OPENENGSB-3235] remove rulemanager references
[OPENENGSB-3235] remove config files
[OPENENGSB-3235] adapt unit tests
[OPENENGSB-3235] fix workflow tests
[OPENENGSB-3235] add rules for tests
[OPENENGSB-3235] change workflow api
[OPENENGSB-3235] remove rulemanager dependent ui elements