ANNOUNCE: glibmm 2.17.0 released

[Jonathon Jongsma <jonathon quotidian org>]

*** About glibmm

   glibmm is a C++ API for glib, used by gtkmm.

   glibmm 2.17 wraps new API in glib 2.17, including the new gio library,
   and is API/ABI-compatibile with glibmm 2.16, 2.14, 2.12, 2.10, 2.8, 
2.6 and
   2.4. It is a version of the glibmm-2.4 API.

   gtkmm and glibmm stay in-sync with GTK+ by following the official 
GNOME release schedule:
   http://www.gnome.org/start/unstable/

   Bindings for the rest of the GNOME Platform are also available, and 
are also
   API-stable.

   http://www.gtkmm.org

*** Development

   There is active discussion on the mailing list:
   http://www.gtkmm.org/mailinglist.shtml
   and in the #c++ channel on irc.gnome.org

*** Changes:

 * Added copy constructor and assignment operator, made GDate 
constructor visible (José
   Alburquerque)
 * Added Glib::Tree, a wrapper for GNode, providing an N-ary tree 
container, more or
   less like a standard C++ container (Levi Bard)
 * Bug #529648 - give helpful warning message when library user forgets 
to initialize the
   library (Jonathon Jongsma)
 * Bug #529533 - Fix bug that prevented for Gio::Mount, Gio::Drive, and 
Gio::Volume from
   being wrapped for some backend implementations (Jonathon Jongsma)