[vala] (10 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:

  7ff17b2... build: Ease source for AC_LANG_SOURCE of CGRAPH check
  9b5ed31... build: Add --enable-asan configure option
  99f2248... coverage: Build gidl-bindings
  1d13720... ci: Add .gitlab-ci.yml
  ca22e24... ci: Add ubuntu:16.04 run with gcc
  c711556... ci: Add ubuntu:devel run with clang and address-sanitizer
  81f5a90... ci: Add archlinux/base:latest run with gcc
  59d2deb... ci: Add alpine:edge run with gcc
  e27064b... ci: Always deploy

Commits added to the branch:

  4321489... libvaladoc: Add wrapper for "agedge" of graphviz
  e532944... build: Ease source for AC_LANG_SOURCE of CGRAPH check
  875661c... build: Add --enable-asan configure option
  97b3e4f... coverage: Build gidl-bindings
  0e6197b... ci: Add .gitlab-ci.yml
  b84c3b3... ci: Add ubuntu:16.04 run with gcc
  86c9e0f... ci: Add ubuntu:devel run with clang and address-sanitizer
  66ed986... ci: Add archlinux/base:latest run with gcc
  e45a61f... ci: Add alpine:edge run with gcc
  9b033f2... ci: Always deploy