Preview release for module A

Preview release including the functionality of modules B and A and most of module C.

Added features since previous release:

• Fetching ontology codes from an external ontology server
• Generating a ontology mapping file for the variables used in a study
• Applying the ontology mapping in transmart-batch when loading data
• Shared concepts (not bound to a study) supported in the v2 tree
• Shared concepts supported in the v2 query language
• REST API for storage and supported workflows (module C)
• Bug fixes for module B

Known issues

• The capsule feature of transmart-batch is currently not working. The tool needs to be started with

gradle run -Pargs='-p studies/TEST_17_1'

• Some tests in transmart-batch related to the cross-study nodes and some tests related to high dimensional data are failing. We are still investigating and fixing them.
• Some tests in transmart-e2e are failing. We are still investigating and fixing them.