PRD-4482: Saving and loading SQL datasources caused extra empty lines to appear.
[PRD-3899] ExcelOutputProcessorMetadata was being used before being initialized, causing CellBackgroundProducer to incorrectly configure the unalignedPagebands feature.  This resulted in the page offset not being calculated correctly when formatting the cell background.
PRD-3889: Added test case and changed the initialization to a lazy init, as the config is not final until the report processing has started to process the first state
PRD-3889: Generated golden sample for test report.
Merge branch 'master' into pr/57