[vala] (28 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:

  bc9f0f1... ci: Add .gitlab-ci.yml

Commits added to the branch:

  3d926c1... vala: Move setting of default defines for VALA_0_XX and GLI (*)
  e3e098f... tests: Add default defines test for VALA_0_XX and GLIB_2_XX (*)
  7b2b429... libvaladoc: Replace FormalParameterType with Vala.Parameter (*)
  5b7827b... libvaladoc: Replace SymbolAccessibility with Vala.SymbolAcc (*)
  362eec6... libvaladoc: Drop Api.Browsable (*)
  96ccd5b... libvaladoc: Drop Api.Member (*)
  77c4804... libvaladoc: Drop MethodBindingType (*)
  9d827dd... libvaladoc: Drop AttributeArgument (*)
  e68288a... libvaladoc: Drop PropertyBindingType (*)
  af9c1c3... libvaladoc: Drop PropertyAccessorType (*)
  8f18810... libvaladoc: Clean up Api.TypeReference constructor (*)
  9b3ace4... libvaladoc: Clean up Api.Property/PropertyAccessor construc (*)
  28df663... valadoc: Drop some get_ccode_*() wrappers (*)
  382ce9e... libvaladoc: Drop unused to_string() methods (*)
  85b857c... libvaladoc: Clean up Api.Class constructor (*)
  0c151d7... libvaladoc: Clean up Api.Interface constructor (*)
  87a2881... libvaladoc: Clean up Api.Struct constructor (*)
  9cc8cba... libvaladoc: Clean up Api.Method constructor (*)
  5c6fe7f... libvaladoc: Clean up Api.ErrorDomain/ErrorCode constructor (*)
  5b7dda5... libvaladoc: Clean up Api.TypeSymbol constructor (*)
  4d2d3fd... libvaladoc: Clean up Api.Signal constructor (*)
  86a5bfc... libvaladoc: Clean up Api.Field constructor (*)
  a3298c0... libvaladoc: Drop cname parameter from Api.* constructors (*)
  5211ef7... build: Use dedicated PACKAGE_VALADOC_* defines (*)
  1383ab9... glib-2.0: Cast strcmp to GCompareFunc (*)
  b0c0a0e... valadoc: Add --fatal-warnings command line option (*)
  d0fa1dd... codegen: Actually create method cast for base interface met (*)
  a6f726f... ci: Add .gitlab-ci.yml

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