[gnome-devel-docs] Add note about applicability to GNOME 3, bump doc version to 2.2.2.

[Calum Benson <calum src gnome org>]

commit e8ff0aebd78f0f56861a1eb479f37f34c03e5f54
Author: Calum Benson <calum benson oracle com>
Date:   Mon Mar 21 23:00:49 2011 +0000

    Add note about applicability to GNOME 3, bump doc version to 2.2.2.

 hig/C/hig-ch-gnome3.xml |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/hig/C/hig-ch-gnome3.xml b/hig/C/hig-ch-gnome3.xml
new file mode 100644
index 0000000..290b856
--- /dev/null
+++ b/hig/C/hig-ch-gnome3.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+  <preface id="note-on-gnome3">
+    <title>Applicability to GNOME 3</title>
+	<para>This version of the Human Interface Guidelines was written for designers 		and developers of GNOME 2 applications. This focus is reflected in the advice 
+	offered, and in the accompanying illustrations.</para>
+
+	<para>Since many of them apply equally to GNOME 3, however, you can and 
+	should continue to follow the majority of these usability principles and
+	guidelines in your GNOME 3 application.</para>
+
+	<para>An updated Human Interface Guidelines document focusing on GNOME 3 
+	will be released in due course. In the meantime, you can find some specific 
+	GNOME 3 guidelines on the <ulink url="http://live.gnome.org/GnomeShell/Design/Guidelines";>GNOME Shell Guidelines</ulink> wiki page.</para>
+
+	<attribution>The GNOME Usability Project, March 2011</attribution>
+
+  </preface>
+