New graph widget configuration:

• Create new widget field for data sets (1.25SP) ;
• Create new widget field for overrides (0.5SP) ;
• Create date-picker widget field (0,25SP) ;
• Create UI control for override options (1SP) ;
• Create widget with all fields (1SP) ;
• Extend widgets to support custom layouts (2SP ) ;
• Extend current CWidgetField to support arguments (0.5SP) ;
• Make color picker useable in popups (0.5SP ) ;
• Make lot of small changes to make already existing classes more flexible, thus, reusable for new widget (1SP) .