[Development] Coin production update

[Aapo Keskimölö]

Hi Qt developers,


Coin production has been updated on


  Thu Mar  6 13:00:32 UTC 2019


Merge master->production:

https://testresults.qt.io/ci/aakeskim/production_updates/changelog_20190306

Cherrypicks in production:

https://testresults.qt.io/ci/aakeskim/production_updates/cherrypicks


If you face problems with the new baseline update, here is a guide about 
how to report bugs for Coin/CI:

https://wiki.qt.io/Reporting_Bugs#Reporting_bugs_for_CI