[vala] (10 commits) Non-fast-forward update to branch wip/array-length-type

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/array-length-type' 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:

  7e303f4... vala: Add ArrayType.length_type and ArrayCreationExpression
  77df5aa... codegen: Remove hardcoded "int" length type and use ArrayTy
  a07a7d3... gdbus: Remove hardcoded "int" length type and use ArrayType
  0df7e19... codegen: Support marshalling ArrayType.length_type in signa
  2627b59... codegen: Keep respecting CCode array_length_type of Paramet
  a99d138... girwriter: Remove hardcoded "int" length type and use Array
  043f0f1... codegen: Infer index type of foreach on array from ArrayTyp

Commits added to the branch:

  884a6f9... codegen: Fix regex literal compile flags (*)
  ccf0df0... glib-2.0: Add binding for g_test_add() (*)
  9cb2f01... codegen: Initialize internal temp-variables used as referen (*)
  36671ae... vala: Add ArrayType.length_type and ArrayCreationExpression
  29a4a86... codegen: Remove hardcoded "int" length type and use ArrayTy
  4cdbde3... gdbus: Remove hardcoded "int" length type and use ArrayType
  7dc6910... codegen: Support marshalling ArrayType.length_type in signa
  bc1af8f... codegen: Keep respecting CCode array_length_type of Paramet
  5484154... girwriter: Remove hardcoded "int" length type and use Array
  597f95c... codegen: Infer index type of foreach on array from ArrayTyp

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