[vala] (20 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:

  af11159... coverage: Build gidl-bindings
  751aad7... ci: Add .gitlab-ci.yml
  971d451... ci: Add ubuntu:16.04 run with gcc
  0f21964... ci: Add archlinux:latest run with gcc
  907c7d3... ci: Pin archlinux before glibc bump
  dc6fc0c... ci: Add alpine:edge run with gcc
  8b6dde3... ci: Add fedora:rawhide run with clang
  1d7ed4a... Fedora rawhide is broken
  f4e35ea... ci: Always deploy

Commits added to the branch:

  0202055... codegen: Make sure to include <sys/types.h> for ssize_t (PO (*)
  38d61fb... vala: Properly check GLib.Object naming convention for prop (*)
  edc0b53... codegen: Apply gconstpointer to gpointer cast to GenericTyp (*)
  7641f50... codegen: Fix access to captured generics in async method of (*)
  c2a9ded... codegen: Add get_generic_type_expression() and handle Gener (*)
  b8be96c... Make TypeParameter a TypeSymbol to resolve functions with a (*)
  58675b6... codegen: Unify handling of GenericType arguments/parameters (*)
  b165d68... codegen: Use if-clause for is_in_destructor() condition to  (*)
  6f30d21... codegen: More use of get_variable_cexpression() (*)
  376df8b... tests: Extend "finally block execution" test to increase co (*)
  f1d8635... tests: Add "generics reference transfer" test to increase c (*)
  88b74a6... coverage: Build gidl-bindings
  74aedc6... ci: Add .gitlab-ci.yml
  1d21b04... ci: Add ubuntu:16.04 run with gcc
  304819b... ci: Add archlinux:latest run with gcc
  8b74aed... ci: Pin archlinux before glibc bump
  f2b2eb9... ci: Add alpine:edge run with gcc
  54f88c1... ci: Add fedora:rawhide run with clang
  3676433... Fedora rawhide is broken
  5a9cc46... ci: Always deploy

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