release: prepare for 3.3.5

NEWS

+3.3.5
+=====
+
+Use GTK resource file support
+Use PNG assets instead of SVG
+Remove the window resize grip
+Don't set child-displacement-y on buttons
+Don't set WM title/button borders on frameless windows
+Improve check/radio and slider assets
+Adapt to GTK+ master changed for
+ - border/padding/margin units
+ - entry/combobox border allocations
+ - GtkImage backgrounds
+
 3.3.4
 =====
 

configure.ac

 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.53)
 
-AC_INIT([gnome-themes-standard], [3.3.4],
+AC_INIT([gnome-themes-standard], [3.3.5],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-themes-standard])
 
 AM_INIT_AUTOMAKE([1.9 tar-ustar foreign dist-xz no-dist-gzip])