gnucash maint: Use standard buttons and add more mnenoics to Aqbanking dialogs

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/aeb7e690 (commit)
	from  https://github.com/Gnucash/gnucash/commit/f779b817 (commit)



commit aeb7e690b537a4c6cb1cd469cb65f0d69f7814f8
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Thu May 16 17:37:28 2019 +0200

    Use standard buttons and add more mnenoics to Aqbanking dialogs
    
    Part of Bug 797232



Summary of changes:
 gnucash/import-export/aqb/dialog-ab.glade | 66 ++++++++++++++++++++-----------
 1 file changed, 43 insertions(+), 23 deletions(-)