QOF sync

[Neil Williams]

Log Message:
-----------
QOF sync

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash/src/backend/qsf:
        qsf-backend.c
        qsf-xml.c
    gnucash/src/engine:
        gnc-trace.c
        gnc-trace.h
        qof-be-utils.h
        qof.h
        qofbackend.c
    gnucash/src/gnome:
        dialog-chart-export.c