move sched_algorithm to algo::algorithm

- new namesapce algo
- shared_round_robin with shared ready queue

src/algo/algorithm.cpp

@@ -0,0 +1,35 @@
+
+//          Copyright Oliver Kowalke / Nat Goodspeed 2015.
+// 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)
+
+#include "boost/fiber/algo/algorithm.hpp"
+
+#include "boost/fiber/context.hpp"
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace fibers {
+namespace algo {
+
+//static
+fiber_properties *
+algorithm_with_properties_base::get_properties( context * ctx) noexcept {
+    return ctx->get_properties();
+}
+
+//static
+void
+algorithm_with_properties_base::set_properties( context * ctx, fiber_properties * props) noexcept {
+    ctx->set_properties( props);
+}
+
+}}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif