More HBCI work.

[Christian Stimming]

Log Message:
-----------
More HBCI work.

Modified Files:
--------------
    gnucash/src/import-export/hbci:
        dialog-hbcitrans.c
        dialog-pass.c
        dialog-pass.h
        gnc-hbci-getbalance.c
        gnc-hbci-gettrans.c
        gnc-hbci-transfer.c
        hbci-interaction.c