[glibmm/glibmm-2-20] (21 commits) ...Merged from glibmm-2-18 branch.

[Murray Cumming <murrayc src gnome org>]

Summary of changes:

  5ce6d87... Modify extra defs generation utility to accept custom defin (*)
  f9f5ebe... Bug 566845 â?? Leaks found in glibmm uriutils.cc (*)
  89a8315... Undid patch from bug #562810 (José Alburquerque). All the  (*)
  345f4d0... Do not use a non-ASCII dash character, to avoid the MSVC++  (*)
  8bf8d8b... Replace nested double quotes in the docs string by single q (*)
  134b46a... Modified _GET_TYPE_FUNC() to properly work with types like  (*)
  525eee1... Added _CUSTOM_CTOR_CAST to _CLASS_GOBJECT for classes that  (*)
  2cb5808... Forgot bug numbers to recent ChangeLog entries. (*)
  efb4a78... Remove generated file from repository. (*)
  e460eee... Fix --disable-api-exceptions build (*)
  9d720c0... Increased version. (*)
  898e903... Fix generated code to not trigger a warning (*)
  5e5c6d1... Use DK_ARG_ENABLE_WARNINGS() to replace custom M4 macro (*)
  2b13386... Rename configure.in to configure.ac (*)
  a217f33... Argh!  svn merge cannot merge renames properly, instead it  (*)
  715991e... Added the missing defenitions for Gio::File::make_directory (*)
  93f6a4a... Revert "Added the missing defenitions for Gio::File::make_d (*)
  b063385... Added the missing defenitions for Gio::File::make_directory (*)
  7a79abc... Fix --module option for enum.pl to work (*)
  f893534... Modify extra defs generation utility to accept a custom is_ (*)
  3ac61f9... Merged from glibmm-2-18 branch.

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