move tools used during build into build_tools subdirectory

clean up Makefile headers


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5942 65c4cc65-6c06-0410-ace0-fbb531ad65f3

build_tools/make_version_h

@@ -0,0 +1,10 @@
+#!/bin/sh
+cat << END
+/*
+ * version.h 
+ * Automatically generated
+ */
+#define ASTERISK_VERSION "${ASTERISKVERSION}"
+#define ASTERISK_VERSION_NUM ${ASTERISKVERSIONNUM}
+
+END