bindings: Add gir_namespace and gir_version to dbus-glib-1.vapi
girwriter: Use transfer-ownership=none for InitiallyUnowned based constructors
girparser: allow setting base_type of boxed types in metadata

Fixes bug 677906.
girparser: handle multiple symbol prefixes
clutter-1.0: update bindings to latest git, remove obsolete data
gdk-x11-2.0, gdk-x11-3.0: fix X11Display.broadcast_startup_message

Fixes bug 677986.
gio-2.0: make Drive and Volume get_sort_key method virtual
gtk+-3.0: Fix gtk_entry_get_text_area bindings
codegen: Fix .begin on async methods returning structs
bindings: update GIR-based bindings
gdk-3.0: Gdk.EventKey does not have a GType

Fixes bug 678217.
vapigen.m4: add an argument for the default value

The new argument allows people to specify a default value for enabling
Vala API generation (the default default value remains "auto").  This
is to accomodate projects, such as librsvg, which want more predictable
builds.
glib-2.0: make GLib.Pid inherit from int

Partially fixes bug 678420.
Give priority to unversioned vapi directory

This allows bindings distributed with upstream libraries to be
prioritized over bindings distributed with Vala.
vapigen: support deprecated namespace annotations in metadata files
libgda-4.0, libgda-report-4.0, librsvg-2.0: deprecate

These libraries now distribute Vala bindings upstream which should be
preferred over those distributed with Vala.
codegen: use glib macros instead of trying to guess correct names

Fixes bugs 675433, 673707, and 675364.
codegen: Fix line directives for ref_sink

Fixes bug 678237.
codegen: Fix memory leak accessing automatic property with owned getter

Fixes bug 678630.
Release 0.17.2