PRD-4471: Test added
PRD-4471: Several golden sample reports were affected by this bug.
PRD-4471: Updated xsd to allow error free validation
PRD-4471: Repeating footer on groups must be regenerated when the contents of the footers or the active group changed.
Merge pull request #63 from tmorgner/PRD-4471

Prd 4471 - Repeating footers repeated even when the group was closed