Add support for HBCI internal bank transfers.

[Christian Stimming]

Log Message:
-----------
Add support for HBCI internal bank transfers.

Committed only to gnome2-branch so that it will arrive in HEAD
at the final gnome2->HEAD merge.

2005-09-10  Christian Stimming  <stimming at tuhh.de>

	* src/import-export/hbci/dialog-hbcitrans.[hc]: Add support for
	"internal bank transfers" as supported by latest aqbanking. If
	aqbanking >= 1.6.1 is available, it will automatically be compiled
	in, otherwise ifdef'd out.

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src/import-export/hbci:
        dialog-hbcitrans.c
        dialog-hbcitrans.h
        gnc-hbci-transfer.c
        gnc-plugin-hbci.c