[glibmm] Created tag 2.53.1

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '2.53.1' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Thu Mar 30 21:37:26 2017 +0200

    2.53.1

Changes since the last tag '2.51.5':

Chun-wei Fan (4):
      Visual Studio builds: Require Visual Studio 2017
      README.win32: Update build info
      Visual Studio builds: Fix glibmm project
      Visual Studio builds: Update glibmm project

Kjell Ahlstedt (7):
      Glib::IOChannel, StreamIOChannel: Remove deprecated parts
      Glib::OptionGroup: Take advantage of GOptionGroup's refcount
      Glib::OptionGroup: Modify on_[pre|post]_parse(), on_error()
      Really remove containers.cc
      tools/test_scripts/testheaders.sh: Don't request c++11
      Add some #include directives
      Glib::OptionGroup: Don't allow copy or move

Krzysztof Piecuch (1):
      Added ustring::make_valid() which fixes non-UTF8 strings.

Murray Cumming (14):
      Use std::vector<> instead of Glib::StringArrayHandle.
      Remove unused Glib::SArray
      Glib::Spawn: Use vector instead of ArrayHandle<std::string>.
      Glib::Keyfile: Use std::vector instead of Glib::ArrayHandle<>.
      Glib::MiscUtils: Use std::vector instead of Glib::ArrayHandle<>.
      Glib::Shell: Use vector instead of Glib::ArrayHandle<>.
      Replace remaining uses of Glib::ArrayHandle<> with std::vector.
      Gio::Resolver: Use std::vector instead of Glib::ListHandle<>.
      Replace remaining uses of Glib::ListHandle<> with std::vector.
      gmmproc: _WRAP_METHOD(): Use of auto for the retval return variable.
      Remove Sequence and sequence().
      Remove unused helperlist.h
      Remove unused containers.[h||cc].
      Change the ABI to glibmm-2.54