Bump version to 1.9.2

We need a version to check against for MateColorSelectionDialog.
Revert "Bump version to 1.9.2"

This reverts commit bb11134952ddf57146f5e15f613819f5ce8b2ae8.
Use palette in MateColorButton
tools: Fix for make distcheck
mate-color-select: Add copy button
mate-color-select: Copy button available with GTK3 too
Add support for GObjectIntrospection
Turn MateRRScreen into a GObject

Based on commit a080477b92be1854507d76992dee2bde3451d2fe
From: Giovanni Campagna <gcampagna@src.gnome.org>
Turn MateRRConfig and MateOutputInfo into GObjects

Based on gnome-desktop commit 1d1f8ef64f404eccb29d384a75939701327e8e77
From: Giovanni Campagna <gcampagna@src.gnome.org>
Remove scrollkeeper option from DISTCHECK_CONFIGURE_FLAGS
introspection: A few fixes from gnome-desktop.

Commit: 446e8ffcf16ccf909f45b293532f50996b0dd728
Fix c-includes to actually include headers
From Benjamin Otte <otte@redhat.com>

Commit: b13ecfd8d5197d4ffac649f5e443a432021e50ad
include exported pkg-config name in GIR
Evan Nemerson <evan@coeus-group.com>
Fix distcheck for introspection