gnucash maint: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/3d608efc (commit)
	 via  https://github.com/Gnucash/gnucash/commit/67751665 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/123033e5 (commit)
	from  https://github.com/Gnucash/gnucash/commit/53b7cba1 (commit)



commit 3d608efc2211127f88b028988fe102425046759d
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Fri Aug 23 19:51:13 2019 +0800

    [test-options] add to CMakeLists.txt
    
    forgto to add to dist_list.

commit 67751665b3011b2049d0aa6bf2b8a2556cec334b
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Fri Aug 23 18:55:55 2019 +0800

    [taxtxf(-de_DE)] compact functions, use srfi-2
    
    srfi-2 and-let* allows concise code and returns #f if any intermediate
    var is #f.

commit 123033e5ea31beb21dc1e75cb50c9cf5432cc34a
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Aug 22 18:54:59 2019 +0800

    [standard-reports] modernise to srfi-9 records



Summary of changes:
 .../report/standard-reports/standard-reports.scm   | 22 ++----
 libgnucash/app-utils/test/CMakeLists.txt           |  1 +
 libgnucash/tax/us/txf-de_DE.scm                    | 79 ++++++++--------------
 libgnucash/tax/us/txf.scm                          | 74 +++++++-------------
 4 files changed, 60 insertions(+), 116 deletions(-)