[gtkmm] Created tag 3.19.6

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '3.19.6' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Mon Jan 11 15:54:09 2016 +0100

    3.19.6

Changes since the last tag '3.19.5':

Kjell Ahlstedt (6):
      Regenerate gtk_docs.xml
      Gtk::TextIter: Add starts_tag(), deprecate begins_tag()
      Regenerate gdk_docs.xml
      Regenerate gdk_signals.defs
      Add Gdk::Seat
      Gdk::Device, DeviceManager, Display: Add and deprecate

Murray Cumming (5):
      C++11: gmmproc: GtkObject: Destructor: Use override instead of virtual keyword.
      C++11: demos/tests: Destructors: Use override instead of virtual.
      C++11: Use override instead of virtual.
      base.h: Remove unused using Glib::unconst.
      3.19.6

Philipp Lenk (1):
      Gtk::TreeView: Fix a crash in get_tooltip_context_path()