[vala] (17 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:

  b0ba74a... coverage: Build gidl-bindings
  3163479... ci: Add .gitlab-ci.yml
  680a77f... ci: Add ubuntu:16.04 run with gcc
  0251761... ci: Add archlinux:latest run with gcc
  a229439... ci: Pin archlinux before glibc bump
  e9b6016... ci: Add alpine:edge run with gcc
  81b9d23... ci: Add fedora:rawhide run with clang
  3558e2f... Fedora rawhide is broken
  c2414a0... ci: Always deploy

Commits added to the branch:

  d26ff2c... tests: Refactor "fields" test to increase coverage (*)
  90cf1ea... codegen: Drop unreachable code handling (Un)LockStatements (*)
  e232223... codegen: Replace wrongly hard coded usage of G_OBJECT_GET_C (*)
  9cbd53b... codegen: Add CCodeBaseModule.get_this_class_cexpression() a (*)
  1ad53f2... codgen: Generalize CCodeBaseModule.get_this_interface_cexpr (*)
  86fecf1... codegen: Always use G_TYPE_INSTANCE_GET_CLASS/INTERFACE for (*)
  8b8340a... codegen: More use of get_this_{class|interface}_cexpression (*)
  318df95... build: Add "test-asan" make target for convenience (*)
  593e7e4... coverage: Build gidl-bindings
  1542fa4... ci: Add .gitlab-ci.yml
  87613b0... ci: Add ubuntu:16.04 run with gcc
  f34c211... ci: Add archlinux:latest run with gcc
  c9b5e98... ci: Pin archlinux before glibc bump
  627db65... ci: Add alpine:edge run with gcc
  784e1c5... ci: Add fedora:rawhide run with clang
  2fe6382... Fedora rawhide is broken
  eac48ad... ci: Always deploy

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