prepare a duplicate backend loader suitable for QOF

[Neil Williams]

Log Message:
-----------
prepare a duplicate backend loader suitable for QOF

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src/backend/file:
        gnc-account-xml-v2.c
        gnc-backend-file.c
        gnc-backend-file.h
        gnc-book-xml-v2.c
        gnc-commodity-xml-v2.c
        gnc-pricedb-xml-v2.c
        gnc-schedxaction-xml-v2.c
        gnc-transaction-xml-v2.c
        gnc-xml.h
        io-gncbin-r.c
        io-gncxml-v1.c
        io-gncxml-v2.c
        sixtp-dom-generators.c
        sixtp-dom-parsers.c
        sixtp-to-dom-parser.c
        sixtp-utils.c
        sixtp.c
    gnucash/src/backend/file/test:
        test-dom-converters1.c
        test-file-stuff.c
        test-xml-account.c
        test-xml-commodity.c
        test-xml-transaction.c
    gnucash/src/engine:
        Makefile.am