[vala] (13 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:

  47199bc... coverage: Build gidl-bindings
  e41287a... ci: Add .gitlab-ci.yml
  c136a67... ci: Add ubuntu:16.04 run with gcc
  3e04083... ci: Add ubuntu:18.04 run with gcc
  bd39879... ci: Add fedora:latest run with clang
  e9d7191... ci: Add archlinux/base:latest run with gcc
  3b4efeb... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  9a612b7... ci: Always deploy

Commits added to the branch:

  6962b8d... parser: Implicit "main" method of main-block is public and  (*)
  e722f76... vala: Let the parser have set namespace members as static (*)
  b054509... vala: Drop Namespace.remove_struct() (*)
  88aa22a... scanner: "\x" requires two hex digits at most and ignore le (*)
  77fe44c... scanner: Improve check of "\u" escape sequence (*)
  7dc9912... coverage: Build gidl-bindings
  7e4a4b6... ci: Add .gitlab-ci.yml
  2214f47... ci: Add ubuntu:16.04 run with gcc
  c3a8b48... ci: Add ubuntu:18.04 run with gcc
  2824f2b... ci: Add fedora:latest run with clang
  2758c51... ci: Add archlinux/base:latest run with gcc
  f64b55d... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  c3ee2fa... ci: Always deploy

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