release: prepare for 3.6.2

NEWS

+3.6.2
+=====
+
+Add assets for insensitive radio/check states for the GTK2 theme
+Fix active spinner when no animations are in use
+Fix gray menu separators under some circumstances
+Fix the build on non-X11 environments
+Fix uneven padding on the notebook tab close button
+Fix minor glitch with borders of tiled WM decorations
+
 3.6.1
 =====
 

configure.ac

 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.53)
 
-AC_INIT([gnome-themes-standard], [3.6.1],
+AC_INIT([gnome-themes-standard], [3.6.2],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-themes-standard])
 
 AM_INIT_AUTOMAKE([1.9 tar-ustar foreign dist-xz no-dist-gzip])