ci(gitlab-ci): use templates from a common repository

6 jobs for branch/default in 2 minutes and 41 seconds (queued for 14 seconds)
Status Name Job ID Coverage
  Lint
passed check-manifest #238250

00:00:28

passed flake8 #238249

00:00:20

passed yamllint #238251

00:00:18

 
  Tests
passed py27 #238252

00:01:39

passed py3 #238253

00:02:09

 
  Build Debian Package
manual build-debian #238254
manual