gnucash maint: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/12ab85fa (commit)
	 via  https://github.com/Gnucash/gnucash/commit/6f196031 (commit)
	from  https://github.com/Gnucash/gnucash/commit/4df6493b (commit)



commit 12ab85fa6c147df2714a14c778412f930f89ed40
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sat Aug 1 10:12:38 2020 +0800

    [advanced-portfolio] use G_ for guile-3.0

commit 6f1960313f3f8a8b4bd7207ab07de0b5ee436582
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sat Aug 1 10:12:17 2020 +0800

    [advanced-portfolio] restore to original 4.0 state
    
    and remove tests which cannot be run anymore



Summary of changes:
 .../report/reports/standard/advanced-portfolio.scm | 1477 ++++++++++----------
 .../reports/standard/test/test-portfolios.scm      |   74 -
 2 files changed, 760 insertions(+), 791 deletions(-)