gnucash maint: Multiple changes pushed

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/f64dd086 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/ec6602ad (commit)
	 via  https://github.com/Gnucash/gnucash/commit/bdbb06b7 (commit)
	from  https://github.com/Gnucash/gnucash/commit/11265541 (commit)



commit f64dd0860fde4a04d9298b7c37430996fcc73efb
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Wed Aug 14 13:32:20 2019 +0800

    Bug 752395 - Start Day of weekly report doesn't respond to change in locale
    
    Redefines some functions to ensure weekly grouping in transaction
    report obeys locale's start-of-week.

commit ec6602adf97629ad3f731b20fcbf23a3ef9d0042
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Wed Aug 14 22:35:58 2019 +0800

    [gnc-date][API] find locale's start of week using ICU.
    
    gnc_start_of_week
    
    * ICU has a mature C++ api, so prefer that one in our C++ code
    * Use PERR instead of fprintf for consistent reporting
    * Add the ICU specific linker flags to the test case

commit bdbb06b7226248458b62fd5fc972d959d9d34088
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Wed Aug 14 12:35:31 2019 +0800

    [price-quotes] remove no F::Q message



Summary of changes:
 libgnucash/app-utils/date-utilities.scm | 23 ++++++++++++-----------
 libgnucash/engine/gnc-date.cpp          | 25 +++++++++++++++++++++++++
 libgnucash/engine/gnc-date.h            |  5 +++++
 libgnucash/engine/test/CMakeLists.txt   |  1 +
 libgnucash/scm/price-quotes.scm         |  5 +----
 5 files changed, 44 insertions(+), 15 deletions(-)