[vala] (8 commits) Non-fast-forward update to branch wip/ci

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/ci' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  d2b225d... ci: Add .gitlab-ci.yml
  23ccf2f... ci: Always deploy
  baaa4b6... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i
  cc356ad... ci: Add ubuntu lts 16.04 run with gcc

Commits added to the branch:

  d41e216... codegen: Replace if-else-tree with switch in visit_unary_ex (*)
  005f5b6... codegen: Replace if-else-tree with switch in visit_binary_e (*)
  48f26fa... codegen: Add get_variable_array_length_cname() and use as p (*)
  088c20b... codegen: Respect array_length_cname attribute for global fi (*)
  e41cdda... ci: Add .gitlab-ci.yml
  9e37881... ci: Always deploy
  b77c482... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i
  dd13fa6... ci: Add ubuntu lts 16.04 run with gcc

(*) This commit already existed in another branch; no separate mail sent