Add ubuntu for CI.

6 jobs for <span class="ref-name">feature/add-ubuntu-for-ci</span> in 15 minutes and 5 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #11690
docker-debian9
job-debian9-ninja-clang

00:02:42

passed #11689
docker-debian9
job-debian9-ninja-gcc

00:02:05

passed #11693
macosx
job-macosx-ninja

00:05:46

passed #11692
docker-ubuntu-rolling
job-ubuntu-rolling-ninja-clang

00:05:22

passed #11691
docker-ubuntu-rolling
job-ubuntu-rolling-ninja-gcc

00:06:11

passed #11694
windows
job-windows-vs2015

00:15:05