Build packages in docker containers

Change-Id: I474d91a4ddcb0540727fe91fcc2feafcaaee9d59
Merge commit 'refs/changes/54/3154/4' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  Build packages in docker containers

Change-Id: I175d441dd6abb7a1529e071e02fcc04f092a1825
This is Tuleap 7.6.99.10

Change-Id: I7bc27ca4f17065c8c1d2ea9ced42f42219f61e7d