[vala] (12 commits) Non-fast-forward update to branch tintou/garray

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'tintou/garray' 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:

  bbba3ab... codegen: Add destroy function for GLib.Array
  9298f9e... tests: add more GLib.Array tests

Commits added to the branch:

  8332c09... tests: Add enum/errordomain tests for GIR parser to increas (*)
  8650fc7... vala: Add BinaryOperator.to_string() (*)
  bddb420... vala: Add UnaryOperator.to_string() (*)
  4b3654d... vala: Add SymbolAccessibility.to_string() (*)
  ab1236c... vala: Add AssignmentOperator.to_string() (*)
  31b3ca1... vala: Use new to_string() methods of enumerations in CodeWr (*)
  0ef28b2... libvaladoc: Use Scanner.get_identifier_or_keyword() instead (*)
  58b0449... valadoc: Use new to_string() methods of enumerations in Ini (*)
  0875f0f... glib-2.0: Add missing Array.set_clear_func() binding
  168b4ef... glib-2.0: Avoid double-free in GLib.Array if clear_func is 
  a97ac16... codegen: Add destroy function for GLib.Array
  d85d5fd... tests: Add more GLib.Array tests

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