girparser: only replace ref/unref funcs with better matches
gtk+-3.0: set Editable type_cname

Fixes bug 731499.
gobject-2.0: Bind G_PARAM_EXPLICIT_NOTIFY
gtk+-3.0: update to 3.13.3~200bdf1a
gio-unix-2.0: update to 2.41.0
gstreamer-1.0: update to 1.3.2.1~d99e6215

Fixes bug 730983.
gtk+-2.0: add WidgetClass.set_scroll_adjustments_signal binding

Fixes bug 611498.
gobject-2.0: make ObjectClass.list_properties transfer container

Fixes bug 620419.
glib-2.0: mark many constants as const instead of static

Fixes bug 646143.
glib-2.0: don't use the container type's generic in static methods

Fixes bug 669816.
gobject-2.0: make TypeClass non-reference-counted

The ref function was always broken and would generate invalid C, so
this should be safe.

Fixes bug 679481.
Revert "gobject-2.0: make ObjectClass.list_properties transfer container"

Breaks bootstrapping with valac <= 0.24
gio-2.0: callbacks in ActionEntry must not have a target

Fixes bug 681896.
glib-2.0: add GLib.HashSet

This is basically just a convenience wrapper around GLib.HashTable
where the key and value are set to the same value, providing a set
data type instead of a map.

Fixes bug 686609.
glib-2.0: add HashTable.take and length
glib-2.0: add static methods back into Sequence, marked as deprecated

They are, it seems, usable by calling them as if they were instance
methods.  However, doing so causes a warning from valac ("Access to
static member ... with an instance reference").
gio-2.0: maintain backwards compatibility with old ActionEntry binding
cairo-xcb, xcb-iccm, xcb: deprecate in favor of vala-extra-vapis
glib-2.0: support Variant objv

Fixes bug 729695
glib-2.0: rename HashSet to GenericSet

There is a Gee.HashSet which was causing conflicts for projects
using "using Gee;" (specifically, folks and gnome-contacts).