Reorganize source files

include/beast/http/headers.hpp

@@ -0,0 +1,26 @@
+//
+// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BEAST_HTTP_HEADERS_HPP
+#define BEAST_HTTP_HEADERS_HPP
+
+#include <beast/http/basic_headers.hpp>
+#include <memory>
+
+namespace beast {
+namespace http {
+
+template<class Allocator>
+using headers = basic_headers<Allocator>;
+
+using http_headers =
+    basic_headers<std::allocator<char>>;
+
+} // http
+} // beast
+
+#endif