Expand options to support 3 possible sources of octave * configure.ac: modify --enable-stable rule to --enable-octave=source (stable,alpha,default) * Makefile.am: modify OCTAVE_TARGET based on octave build value set in configure. * index.html: added master-octave information. * src/default-octave.mk: new file. * src/default-octave-1-docinstall.patch * dist-files.mk: add default-octave-1-docinstall.patch default-octave.mk * binary-dist-rules.mk: use OCTAVE_TARGET to decide on tarball/installer name

--- a/glib/gatomic.c.orig	2013-07-29 12:05:27 -0400
+++ a/glib/gatomic.c	2013-07-29 12:07:46 -0400
@@ -475,6 +475,14 @@
 
 #if !defined (_MSC_VER) || _MSC_VER <= 1200
 #include "gmessages.h"
+
+#ifndef MemoryBarrier
+static inline void MemoryBarrier (void) {
+  long dummy = 0;
+  InterlockedExchange (&dummy, 1);
+}
+#endif
+
 /* Inlined versions for older compiler */
 static LONG
 _gInterlockedAnd (volatile guint *atomic,