DOC; Update documentation for step tag in workflow file. Describe how the input tags works. In all steps pages, add the documentation for each input and output ports.
TYPO: Fix typo in expression_results_tsv.xml.
UPDATE: Rename step tag attribute "discardOuput" to "discardoutput" in workflow file.
DOC: Add documentation about main.ui.name and main.old.result.format settings in conffile.xml.
DOC: In index.xml, add a note about the binary compatibility of Eoulsan 2.
DOC: Update changelog for Eoulsan 2.0-alpha1.
DOC: Add JSON format for step result file as major improvement of Eoulsan 2.
Eoulsan is now 2.0-alpha1
UPDATE: The Eoulsan version in pom.xml is now 2.0-alpha2-SNAPSHOT.