[vala] (18 commits) Created branch switch-to-gir

[Luca Bruno <lucabru src gnome org>]

The branch 'switch-to-gir' was created.

Summary of new commits:

  26ba709... Add --metadatadir option to specify path for GIR metadata
  a7d7bd0... gio-2.0: Initial GIR switch
  1b32e9e... girparser: Support -custom.vala files
  fce244f... girparser: Support reparenting static methods in namespace
  ba01b0c... girparser: Remove all type arguments when using type_argume
  be06ecf... girparser: Fix mapping gsize to size_t and gssize to ssize_
  c17d4d3... girparser: Don't add NoAccessorMethod if there is a setter
  f119f63... vapigen: Assume girparser handles SOURCE file types.
  23087fe... Fix handling external for several symbols in semantic analy
  4f829cf... girparser: Simplify postprocessing callbacks. Use symbols i
  f3367f1... girparser: Skip priv fields
  5031764... girparser: Set the base type for classes defined in custom 
  c1b1fee... girparser: Support null literals in metadata
  6a13e3e... girparser: Fix support for signals metadata.
  f2c9d1d... girparser: Support specifying symbols in metadata
  3655ee8... girparser: Fix parsing arrays in metadata types
  06fb229... girparser: Fix unowned keyword in metadata types
  4142cd2... girparser: Guess array length type for arrays