SP-612, SWE-22: remove settings.gradle from all projects except gradle. Add deep_sequencing_unit to gradle/settings.gradle. SVN: 29905
SVN: 29838
SWE-22 / SP-641: Compilation of project 'openbis' now done in gradle. Tests do not work yet. Project dependencies changed to be non-transitive in all projects. SVN: 28970