gnucash master: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/9b671b20 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/b06ee5ef (commit)
	 via  https://github.com/Gnucash/gnucash/commit/55ecaa92 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/0a9f9821 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/e366b29b (commit)
	 via  https://github.com/Gnucash/gnucash/commit/70ae1136 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/a59fa375 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/e8c611af (commit)
	 via  https://github.com/Gnucash/gnucash/commit/d316b01d (commit)
	from  https://github.com/Gnucash/gnucash/commit/d28ff20f (commit)



commit 9b671b20394110b3148d2fc95e42754a8ebc53b0
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Mar 30 18:09:44 2021 +0800

    [date-utilities.scm] remove unused date selectors code & string

commit b06ee5efaf2a8396dd432a5e4655e75962ba04e9
Merge: d28ff20ff 55ecaa925
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Mar 30 18:09:08 2021 +0800

    Merge branch 'maint'

commit 55ecaa92524ac86ee1fb8c80bca4b7a4c1c59b36
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Mar 30 06:51:07 2021 +0800

    [report-core] fix error string

commit 0a9f9821ca442cc67461887b5fb74054b2b13c45
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Mar 29 22:52:33 2021 +0800

    [report-core] Remove unused string definition

commit e366b29b26cbcbd91ba799b7c3505297d51cc01d
Author: Guille Lopez <willelopz at gmail.com>
Date:   Tue Mar 30 00:26:42 2021 +0200

    Translation update  by Guille Lopez <willelopz at gmail.com> using Weblate
    
    po/es.po: 89.9% (4934 of 5484 strings; 461 fuzzy)
    134 failing checks (2.4%)
    Translation: GnuCash/Program (Spanish)
    Translate-URL: https://hosted.weblate.org/projects/gnucash/gnucash/es/
    
    Translation update  by Guille Lopez <willelopz at gmail.com> using Weblate
    
    po/es.po: 89.3% (4898 of 5484 strings; 485 fuzzy)
    143 failing checks (2.6%)
    Translation: GnuCash/Program (Spanish)
    Translate-URL: https://hosted.weblate.org/projects/gnucash/gnucash/es/
    
    Co-authored-by: Guille Lopez <willelopz at gmail.com>

commit 70ae1136142decf4eb6577f9d93fbef58202bdc3
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Mon Mar 29 20:36:28 2021 +0200

    Remove a misleading comma in assistant-csv-export

commit a59fa375f505b85ad75d8acd2b8f9eeca4c4151f
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Mon Mar 29 18:12:04 2021 +0200

    Layout fix of assistant-csv-export
    
    Also order start messages before finish messages for easier
    understanding by translators

commit e8c611af8bd0b1372db0032a471465413222757a
Author: Katerina <katerina.gakou at hotmail.com>
Date:   Mon Mar 29 16:26:51 2021 +0200

    Translation update  by Katerina <katerina.gakou at hotmail.com> using Weblate
    
    po/glossary/el.po: 52.8% (110 of 208 strings; 57 fuzzy)
    3 failing checks (1.4%)
    Translation: GnuCash/Glossary (Greek)
    Translate-URL: https://hosted.weblate.org/projects/gnucash/glossary/el/
    
    Translation update  by Katerina <katerina.gakou at hotmail.com> using Weblate
    
    po/el.po: 53.1% (2917 of 5484 strings; 1518 fuzzy)
    630 failing checks (11.4%)
    Translation: GnuCash/Program (Greek)
    Translate-URL: https://hosted.weblate.org/projects/gnucash/gnucash/el/
    
    Co-authored-by: Katerina <katerina.gakou at hotmail.com>

commit d316b01da7543d8fc26d1a2529345ea246827a04
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Mar 29 20:14:18 2021 +0800

    [date-utilities] deprecate unused date selectors



Summary of changes:
 .../import-export/csv-exp/assistant-csv-export.c   |  44 +--
 gnucash/report/report-core.scm                     |   7 +-
 libgnucash/app-utils/date-utilities.scm            | 362 +--------------------
 po/el.po                                           |   6 +-
 po/es.po                                           | 122 +++----
 po/glossary/el.po                                  |  40 +--
 6 files changed, 106 insertions(+), 475 deletions(-)