Bugfix in showing subjecteventgroups on the design page
Generalization of the datatables functionality, so it can be used for
other entities (besides subjects) as well
Update to GRAILS 2.2.4 due to bug
http://jira.grails.org/browse/GRAILS-10232
Updated editable datatable:
- more generalization
- bugfix in template/term selection fields
Implemented dragging and dropping of eventgroups and updated timeline to
2.5
Updates for the design tab in the wizard