PRD-4295: Crosstab creator added metadata styling
PRD-3949: Prepare printing headers for measures - crosstab dialog now has an options tab where we can add the setting.
PRD-4449: Crosstab dialog now defaults to percentage widths.
PRD-3949: Printing measures headers can be disabled via attribute on crosstab-group
PRD-4492: Printing column title headers can be disabled via attribute on crosstab-group
Regenerated golden samples after defaults for headers changed.
Merge pull request #70 from tmorgner/PRD-3857

PRD-3949, PRD-4295, PRD-4449 and PRD-4492