gnucash maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/509ce16a (commit)
	 via  https://github.com/Gnucash/gnucash/commit/3109fc5c (commit)
	 via  https://github.com/Gnucash/gnucash/commit/a4ea7912 (commit)
	from  https://github.com/Gnucash/gnucash/commit/3367e191 (commit)



commit 509ce16adda62b4a7fbba33b9206c662e32d9a8a
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 25 17:23:18 2017 -0700

    Release 2.6.16

commit 3109fc5cc4a834016910a0a531c0cd58088dca5a
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 25 17:15:37 2017 -0700

    Reduce the gate on get_random_gnc_numeric.
    
    Fixing Bug 779217 increased the maximum denominator by 10, and that led
    to overflows when converting large numbers' denominators from 100 to the
    new max.

commit a4ea79122da5c3a021a3772096afc40a32541b46
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 25 15:11:42 2017 -0700

    Update translations ca, nl, and sr from the translation project.



Summary of changes:
 CMakeLists.txt                           |    2 +-
 ChangeLog                                | 1248 ++------------
 ChangeLog => ChangeLog.2016              |   52 +-
 Makefile.am                              |    3 +-
 NEWS                                     |  148 +-
 configure.ac                             |    2 +-
 po/ca.po                                 | 2761 ++++++++++++++++--------------
 po/nl.po                                 | 1658 +++++++++---------
 po/sr.po                                 |  994 +++++------
 src/engine/test-core/test-engine-stuff.c |    2 +-
 src/gnome-utils/gnc-main-window.c        |    2 +-
 11 files changed, 3094 insertions(+), 3778 deletions(-)
 copy ChangeLog => ChangeLog.2016 (96%)