gnucash master: Multiple changes pushed

[Mike Alexander]

Updated	 via  https://github.com/Gnucash/gnucash/commit/cdc94c71 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/6933ab76 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/85d24425 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/d18fce77 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/bfa5090d (commit)
	from  https://github.com/Gnucash/gnucash/commit/5ff31920 (commit)



commit cdc94c7131b33b8defc291d3a3a9a1866a72750d
Author: Mike Alexander <mta at umich.edu>
Date:   Tue Apr 4 01:58:32 2017 -0400

    Calling sigfigs_denom with a zero crashes due to a divide by zero.

commit 6933ab765d5c6e17e8f45dca1b968b96ad39fb95
Author: Mike Alexander <mta at umich.edu>
Date:   Wed Apr 5 01:29:14 2017 -0400

    Add an XCode target to run the numeric unit tests and rename the main target to GnuCash.

commit 85d2442521c0cd75e0c18959c7c5bae8bb43f93c
Author: Mike Alexander <mta at umich.edu>
Date:   Tue Apr 4 01:33:29 2017 -0400

    Update XCode file lists and sort them alphabetically.

commit d18fce775f6023c936c7516cf4fdf28564a9d238
Author: Mike Alexander <mta at umich.edu>
Date:   Tue Apr 4 01:45:15 2017 -0400

    Fix a crash in scrub_sx_split_numeric introduced in b3eb9d0.

commit bfa5090db9f29cd7963cd179ab41009568bccaf8
Author: Mike Alexander <mta at umich.edu>
Date:   Tue Apr 4 02:00:19 2017 -0400

    gnc_numeric_convert should return an invalid number unchanged instead of crashing.



Summary of changes:
 gnucash.xcodeproj/project.pbxproj                  | 770 +++++++++++++--------
 .../xcschemes/{debug.xcscheme => Gnucash.xcscheme} |  24 +-
 .../{debug.xcscheme => Test Numeric.xcscheme}      |  66 +-
 src/app-utils/gnc-sx-instance-model.c              |   2 +-
 src/libqof/qof/gnc-numeric.cpp                     |   5 +
 src/libqof/qof/gnc-rational.cpp                    |   3 +
 6 files changed, 522 insertions(+), 348 deletions(-)
 copy gnucash.xcodeproj/xcshareddata/xcschemes/{debug.xcscheme => Gnucash.xcscheme} (86%)
 rename gnucash.xcodeproj/xcshareddata/xcschemes/{debug.xcscheme => Test Numeric.xcscheme} (61%)