- GalaxyWorkflowEngine: added fixed expected output length and other hardcoded stuff for test workflow 2, moved ensureHasWorkflow & readWorkflowJson methods to the GalaxyWorkflow class, and added testHistoryStatus method to test getting file/workflow status (currently commented out).
- GalaxyWorkflow: added ensureWorkflowIsOnServer and readWorkflowJson methods (this code used to be in the GalaxyWorkflowEngine class).
- Renamed AbstractWorkflow to DefaultWorkflow and added Javadocs.