Merge maint. The gnc_gui_refresh_all statement in gnc_book_options_dialog_apply_cb causes the 'apply' and 'OK' buttons to be set to sensitive on the open Book Options dialog in some circumstances; this commit causes them to be reset to insensitive, as they should be.

README

@@ -323,8 +323,7 @@ Getting Source with Git
 We maintain a mirror of our master repository on Github. You can
 browse the code at https://github.com/Gnucash/gnucash. Clone URIs are
 on that page, or if you have a Github account you can fork it
-there. Note, however, that we do *not* accept Github pull requests:
-All patches should be submitted via Bugzilla, see below.
+there.
 
 ##################
 Developing GnuCash
@@ -355,5 +354,8 @@ Submitting a Patch:
   patches to either of the mailing lists, as they tend to be
   forgotten.
 
+  Alternatively, you can also submit your patches in the form of a git
+  pull request.
+
 
 Thank you.