A function macro named E clashes with internal boost definitions.  Rearrange
the order of header inclusion so that affected boost headers are included
before monotone defines the macro.

Also, stop bundling boost/circular_buffer, which is available in current
versions of boost. From Fedora.

Index: src/automate.cc
--- src/automate.cc.orig
+++ src/automate.cc
@@ -13,12 +13,12 @@
 #include <iterator>
 #include <sstream>
 #include <unistd.h>
-#include "vector.hh"
 
 #include <boost/bind.hpp>
 #include <boost/function.hpp>
 #include "lexical_cast.hh"
 #include <boost/tuple/tuple.hpp>
+#include "vector.hh"
 
 #include "app_state.hh"
 #include "automate_stdio_helpers.hh"