Creates a CapaInstaller group.
CreateGroup(Byval GroupName as String, Byval GroupType as String, Byval UnitType as String) as Boolean
The name of the group
The type of the group. Valid values are "Calendar", "Department" and "Static"
The type of the elements in the group. This can be either "Computer" or "User"
Boolean. Returns true if the group is created, otherwise false