gnucash maint: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/a4eb5b1a (commit)
	 via  https://github.com/Gnucash/gnucash/commit/faf1b08c (commit)
	from  https://github.com/Gnucash/gnucash/commit/79d72fdc (commit)



commit a4eb5b1a591f9d02d817ca0544efc2ea96203556
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Mar 28 12:02:20 2019 +0800

    [options] compact book-currency-acounting functions

commit faf1b08cecf36e006c46878af36a6438341375e5
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Thu Mar 28 11:48:41 2019 +0800

    [options] compact valid-gains-loss-account?



Summary of changes:
 libgnucash/app-utils/options.scm | 140 ++++++++++++++++-----------------------
 1 file changed, 57 insertions(+), 83 deletions(-)