[vala] (12 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:

  771fab7... build: Add --enable-test-asan configure option
  d8c8283... coverage: Build gidl-bindings
  3c8a762... ci: Add .gitlab-ci.yml
  c3c7d07... ci: Add ubuntu:16.04 run with gcc
  75eeda0... ci: Add ubuntu:devel run with clang and address-sanitizer
  1b3e84f... ci: Add archlinux/base:latest run with gcc
  87a15b6... ci: Add alpine:edge run with gcc
  9e33637... ci: Always deploy
  5dfbb4e... ci: Keep ubuntu-clang-asan logs

Commits added to the branch:

  b540b0a... vapi: Update GIR-based bindings (*)
  8a1de7a... codegen: Don't wrongly emit declaration for default-handler (*)
  0e54960... vala: Improve context check whether property is writeable o (*)
  7ab8948... build: Add --enable-test-asan configure option
  c5c556e... coverage: Build gidl-bindings
  9324c6f... ci: Add .gitlab-ci.yml
  bcb41d7... ci: Add ubuntu:16.04 run with gcc
  879da54... ci: Add ubuntu:devel run with clang and address-sanitizer
  2212268... ci: Add archlinux/base:latest run with gcc
  b84f3dd... ci: Add alpine:edge run with gcc
  70b3075... ci: Always deploy
  6e609ac... ci: Keep ubuntu-clang-asan logs

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