gnucash maint: Multiple changes pushed

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/caaf9edc (commit)
	 via  https://github.com/Gnucash/gnucash/commit/baf933ac (commit)
	from  https://github.com/Gnucash/gnucash/commit/1239876b (commit)



commit caaf9edc45ad573b0692bb1a2cde3a38901a5abf
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Fri Aug 31 20:57:12 2018 +0200

    Use one single function to determine if an invoice is posted to ensure consistent behaviour
    
    While debugging for bug 796054 I found cases where an invoice was unposted, but the toolbar
    buttons and menu items were configured for a posted invoice. This should now be solved.

commit baf933acf2c088e149bc00c90865f5e8ae08dd3d
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Fri Aug 31 20:24:39 2018 +0200

    Bug 796054 - unposting and reposting invoice doubles amounts
    
    Add scrub function to unblock the double post transaction



Summary of changes:
 gnucash/gnome/dialog-invoice.c    | 16 ++++++----------
 libgnucash/engine/ScrubBusiness.c | 26 +++++++++++++++++++++++++-
 2 files changed, 31 insertions(+), 11 deletions(-)