PRD-4181: Added some inner classes to handle mouse events when dealing with crosstab components.
PRD-4181 - set the crosstab subreport tab title to indicate that this is a crosstab tab.
PRD-4181 - fixed class cast exception in getRootBand()
PRD-4181 - Some refactorings
PRD-4181 - Some more refactorings - moving inner classes to AbstractRendererComponent
PRD-4181 - Some more refactorings - moving inner classes to AbstractRendererComponent.  Removed getRootBand() for concrete classes.
PRD-4181 - Some more refactorings
PRD-4181 - Some more refactorings
Merge branch 'PRD-4181_edit_crosstab_cells' into sprint_2