gnucash master: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/1ce1aff0 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/3a794e75 (commit)
	from  https://github.com/Gnucash/gnucash/commit/176bc89e (commit)



commit 1ce1aff014090996cb81858c4858e7b8c5c1354d
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Jan 12 16:55:45 2017 -0800

    Prevent leaking exceptions from gnc_dmy2timespec_neutral
    
    And test out-of-range values in other functions for good measure.

commit 3a794e75be8c7d9196757fc043e0a1c3a73a7db4
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Jan 10 14:08:20 2017 -0800

    Add note about setting GTEST cmake variables.
    
    Because I keep forgetting them...



Summary of changes:
 cmake/README_CMAKE.txt              | 10 ++++++++++
 src/libqof/qof/gnc-date.cpp         | 31 +++++++++++++++++++++++--------
 src/libqof/qof/test/test-gnc-date.c | 14 +++++++++++++-
 3 files changed, 46 insertions(+), 9 deletions(-)