issue #20734: Move trace constants to standard. Other tweaks.
issue #20734: Get shipment returns working.
issue #20734: Housekeeping.
issue #20734: Fix make room for scroller on lists. New date calculations. Improved formatting support.
issue #20734: Hide detail menu if panel is hidden.
issue #20734: Get issue line working.
issue #20734: Some refactoring of functions that will be common to all transactions.
Merge pull request #768 from jrogelstad/20734

issue #20734: Get issue line and return line working. Lots of refinements.