[gtkmm-documentation] Created tag 3.18.0

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '3.18.0' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Mon Nov 30 12:34:04 2015 +0100

    3.18.0

Changes since the last tag '3.15.1':

Kjell Ahlstedt (12):
      Add description of the keep_return parameter in _WRAP_VFUNC
      Add description of _IGNORE_PROPERTY and _IGNORE_CHILD_PROPERTY
      Add description of the 'newin' parameter of some _WRAP macros
      Improve the description of parameters in the _WRAP macros
      Add description of the detail_name parameter in _WRAP_SIGNAL
      Add description of the 'newin' parameter of _WRAP_PROPERTY
      recent_files example: Add toolbar and accelerator keys
      Update the "Menus and Toolbars" chapter
      Require C++11
      Replace deprecated std::auto_ptr by std::unique_ptr
      Input example: Fix high CPU load
      Document _CUSTOM_* gmmproc macros

Murray Cumming (20):
      Examples: Remove some uses of GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
      Examples: placessidebar: Remove use of set_show_connect_to_server().
      Use -Wshadow with --enable-warnings=fatal.
      configure.ac: Use other warnings that glibmm uses.
      C++11: Use of range-based for loops.
      C++11: Use of nullptr.
      C++11: Use the override keyword.
      Remove unnecessary virtual keywords.
      C++11: Use lambdas for simple callbacks given to set_*_func() methods.
      C++11: More use of auto.
      3.17.50
      Update NEWS for next release.
      Consistent spacing with lambdas.
      Tiny whitespace correction.
      command_line_handling example: on_command_line(): Correct a return code.
      command_line_handling: handle_local_options(): Correct the return values.
      combobox/complex example: Show use of a cell_data_func().
      C++11: Use the override keyword.
      Remove unnecessary virtual keywords
      3.18.0