[gtkmm-documentation] Created tag 3.17.50

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '3.17.50' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Thu Jul 23 13:23:47 2015 +0200

    3.17.50

Changes since the last tag '3.15.1':

Kjell Ahlstedt (9):
      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

Murray Cumming (11):
      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