gnucash maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/2b01bde2 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/580975b9 (commit)
	from  https://github.com/Gnucash/gnucash/commit/7de24dec (commit)



commit 2b01bde2b6808d09a6ca9ef676ca2384fb005bb8
Merge: 7de24dec6 580975b92
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Dec 12 17:00:47 2020 -0800

    Merge Christian Wehling's 'gnucash-flicker' into maint.

commit 580975b924fb5b3c7cdf9f2ad04cb27b09a51fa7
Author: CWehli <christian.wehling at web.de>
Date:   Sun Nov 15 15:06:09 2020 +0100

    Bug 667490 - Support chipTAN optical "Flicker code"
    
    Partly fixes bug 667490.
    It implements the display of flashing optical TAN challenges (aka
    flicker) in the "Enter TAN" dialog box.



Summary of changes:
 gnucash/import-export/aqb/CMakeLists.txt           |   2 +
 gnucash/import-export/aqb/dialog-ab.glade          | 128 +++++-
 gnucash/import-export/aqb/gnc-flicker-gui.c        | 445 +++++++++++++++++++++
 .../aqb/{gnc-ab-transfer.h => gnc-flicker-gui.h}   |  45 ++-
 gnucash/import-export/aqb/gnc-gwen-gui.c           | 107 ++++-
 gnucash/import-export/aqb/gschemas/CMakeLists.txt  |   4 +-
 .../org.gnucash.dialogs.flicker.gschema.xml.in}    |   9 +-
 po/POTFILES.in                                     |   2 +
 8 files changed, 691 insertions(+), 51 deletions(-)
 create mode 100644 gnucash/import-export/aqb/gnc-flicker-gui.c
 copy gnucash/import-export/aqb/{gnc-ab-transfer.h => gnc-flicker-gui.h} (52%)
 copy gnucash/{gschemas/org.gnucash.dialogs.commodities.gschema.xml.in => import-export/aqb/gschemas/org.gnucash.dialogs.flicker.gschema.xml.in} (62%)