FTI-978:  Added ability to color a field based on a query, as with the XTreeWidget.  For example, if column item_number has item_number_qtforegroundrole, then fields referencing item_number will become the color of item_number_qtforegroundrole.
Merge pull request #1 in XT/openrpt from feature/FTI-978 to dev

* commit '63ab91b4c851f37c12757956cd87a9b98ed81c8b':
  FTI-978:  Added ability to color a field based on a query, as with the XTreeWidget.  For example, if column item_number has item_number_qtforegroundrole, then fields referencing item_number will become the color of item_number_qtforegroundrole.