[Development] Merge and Integration status report - 2019.05.09

[Liang Qi]

Integrations and Provisionings

* qt5 5.9, 5.12, 5.13, 5.13.0 and dev are healthy, after https://testresults.qt.io/coin/integration/qt/qt5/tasks/1557406940 , qt5 dev finally got integrated after about 4 weeks.

Merges

Please check https://codereview.qt-project.org/#/q/owner:%22Qt+Forward+Merge+Bot+%253Cqt_forward_merge_bot%2540qt-project.org%253E%22++status:open,n,z

* Healthy, 5.12.3->5.12 merges are done

--Liang