Added documentation to general Workflow class
Implemented completeTask() mathod in general Workflow
Added Workflow Scenario enum
Fixed web.xml
Fixed getFreePort method of PortDAOImpl
Fixed getTaskStatusID from TaskStatusDAOImpl
Fixed getTaskStatusID method of TaskStatusDAO
Added task management and RI management to Workflow
Merge branch 'master' of https://github.com/niralittle/Notus