[vala] (24 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:

  bf46725... coverage: Build gidl-bindings
  028d08b... ci: Add .gitlab-ci.yml
  7462983... ci: Add ubuntu:16.04 run with gcc
  dcde387... ci: Add ubuntu:18.04 run with gcc
  77d839b... ci: Add fedora:latest run with clang
  bb52992... ci: Add archlinux/base:latest run with gcc
  a6d7078... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  1f8a471... ci: Always deploy

Commits added to the branch:

  dea6e30... vala: Add local-variables to current scope regardless its e (*)
  1633ef9... Release 0.47.92 (*)
  2e4f823... vapi: Update GIR-based bindings (*)
  aff7099... Add missing CodeContext.pop() calls (*)
  4fc14d7... vala: Fix circular reference in Property (*)
  b592c3d... vala: Fix circular reference in EnumValueType (*)
  e436f28... vala: Report an internal error for unavailable context and  (*)
  d86da97... codegen: Add more "low-level" includes of "glib.h" (*)
  3444876... codegen: g_clear_error() sets pointer target to NULL alread (*)
  b090ccc... codegen: Don't emit error-variable of CatchClause if not us (*)
  f8676a6... vala: Don't create temp-variable for array concatenation ex (*)
  4fb1156... girparser: Decrease return_array_length_idx for transformed (*)
  7109dd0... girparser: Delay adding of "GLib.Object" prerequisite to in (*)
  e0c35c6... vala: Prevent possible stack-overflow in Class.is_subtype_o (*)
  a0e64ad... manual: Update from wiki.gnome.org (*)
  2de13fa... Release 0.48.0 (*)
  477bc7b... coverage: Build gidl-bindings
  e6e7227... ci: Add .gitlab-ci.yml
  515ca57... ci: Add ubuntu:16.04 run with gcc
  c874002... ci: Add ubuntu:18.04 run with gcc
  741dcf8... ci: Add fedora:latest run with clang
  113ab0b... ci: Add archlinux/base:latest run with gcc
  491f16e... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  259a0e9... ci: Always deploy

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