Each class consist of any number of divisions, and each division can consist of
unlimited number of groups.
To manage class division choose "Owl -> Setup -> Manage Classes", select class on a list,
and click on "Divisions", and list of divisions for selected class will be displayed.
Top most division represents entire class.
To add new division, click "Add" and new division and its two groups will be created.
To delete division, select division from division list and click "Remove".
To add group to division, select division from division list and click "Add group",
and enter name and description of new group. To edit name and description of group,
click on "Edit" located in rounded rectangle which represents group. To delete group,
click on remove icon in top left corner of rounded rectangle which represents group.