Fixed compute4 helloWorld test and improved makedistro Ant task to add demo pipelines to the generated distro.zip.
Merge branch 'testing' of https://github.com/molgenis/molgenis_apps-legacy into testing

Regular pull from blessed testing.
Removed outdated workflows and protocols dirs from compute4 in molgenis_apps-legacy repo. NOTE: we keep the generic templates!
Merge pull request #466 from pneerincx/testing

Cleanup of modules/compute/ folder, fixed tests and improved build.xml to generate improved compute4 distros.