Moved to blend4j 0.1-alpha-8 and small changes
- pom.xml: moved to blend4j version 0.1-alpha-8.
- GalaxyWorkflowEngine: moved initialization of the Galaxy instance and related fields to the configure method (was in the runWorkflow method).
- checks.bat: added a batch file to run a number of checks (on Windows): unit tests, code coverage, Checkstyle, FindBugs, PMD, and CPD.
- DevelopersInformation.md: small textual changes.
- WorkflowRunner: removed code that is specific for the concatenate workflow from the checkWorkflowOutput method.