[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:

  8604814... ci: Add .gitlab-ci.yml
  a31697f... ci: Always deploy
  10df0d6... ci: Add ubuntu lts 16.04 run with gcc
  a6ce818... ci: Build and deploy API documentation

Commits added to the branch:

  74996a8... glib-2.0: add MappedFile.from_fd constructor (*)
  559df36... webkit2gtk-4.0: Fix WebContext.initialize_notification_perm (*)
  e10e708... posix: add *at() calls and related constants (*)
  b7d498c... posix: Fix return-value of mknod() and c-include for tcgets (*)
  7a2946a... vala: 'construct' is not supported in POSIX profile (*)
  babca64... vala: NoAccessorMethod checks require GOBJECT profile (*)
  ced7073... vala: Implicit GValue cast requires GOBJECT profile (*)
  7249c21... vala: Fix mixup of target_glib_major/minor in set_target_gl (*)
  f51d9df... girparser: Handle "function-macro" by skipping them (*)
  12cda9e... gstreamer: Update from 1.17.0+ git master (*)
  af65169... vapi: Update GIR-based bindings (*)
  5744eed... codegen: Use G_TYPE_CHECK_INSTANCE_CAST for comparisons wit (*)
  516a5a7... ci: Add .gitlab-ci.yml
  4fa0ddc... ci: Always deploy
  b370ee8... ci: Add ubuntu lts 16.04 run with gcc
  1a568e4... ci: Add ubuntu lts 18.04 run with gcc
  4d7b3d0... ci: Add fedora rawhide run with clang

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