Resolve "Prepare 0.3.0 release"

Closes #147 (closed)

docker/0.2.0-wip/patches/mochi-thallium.patch

-diff --git a/include/thallium/packed_data.hpp b/include/thallium/packed_data.hpp
-index 9e6e76e..37e64d3 100644
---- a/include/thallium/packed_data.hpp
-+++ b/include/thallium/packed_data.hpp
-@@ -14,13 +14,13 @@
-
- namespace thallium {
-
--template<typename ... CtxArg> class callable_remote_procedure_with_context;
-+template <typename... CtxArg> class callable_remote_procedure_with_context;
- class async_response;
--template<typename ... CtxArg> class request_with_context;
-+template <typename... CtxArg> class request_with_context;
- using request = request_with_context<>;
-
- namespace detail {
--    struct engine_impl;
-+struct engine_impl;
- }
-
- /**
-@@ -36,9 +36,9 @@ class packed_data {
-
-   private:
-     std::weak_ptr<detail::engine_impl> m_engine_impl;
--    hg_handle_t m_handle = HG_HANDLE_NULL;
--    hg_return_t (*m_unpack_fn)(hg_handle_t,void*) = nullptr;
--    hg_return_t (*m_free_fn)(hg_handle_t,void*) = nullptr;
-+    hg_handle_t                        m_handle    = HG_HANDLE_NULL;
-+    hg_return_t (*m_unpack_fn)(hg_handle_t, void*) = nullptr;
-+    hg_return_t (*m_free_fn)(hg_handle_t, void*)   = nullptr;
-     mutable std::tuple<CtxArg...> m_context;
-
-     /**
-@@ -62,6 +62,41 @@ class packed_data {
-         MARGO_ASSERT(ret, margo_ref_incr);
-     }
-
-+    packed_data(const packed_data&)            = delete;
-+    packed_data& operator=(const packed_data&) = delete;
-+
-+    packed_data(packed_data&& rhs)
-+    : m_engine_impl(std::move(rhs.m_engine_impl),
-+                    m_context(std::move(rhs.m_context))) {
-+        m_handle        = rhs.m_handle;
-+        rhs.m_handle    = HG_HANDLE_NULL;
-+        m_unpack_fn     = rhs.m_unpack_fn;
-+        rhs.m_unpack_fn = nullptr;
-+        m_free_fn       = rhs.m_free_fn;
-+        rhs.m_free_fn   = nullptr;
-+    }
-+
-+    packed_data& operator=(packed_data&& rhs) {
-+
-+        if(&rhs == this) {
-+            return *this;
-+        }
-+
-+        // the original members m_handle, m_context, and m_handle are being
-+        // replaced here by the ones from rhs. It may be necessary to release
-+        // their resources if `packed_data` has claimed ownership over them,
-+        // otherwise we would be leaking
-+        m_engine_impl = std::move(rhs.m_engine_impl);
-+        m_context = std::move(rhs.m_context);
-+
-+        m_handle        = rhs.m_handle;
-+        rhs.m_handle    = HG_HANDLE_NULL;
-+        m_unpack_fn     = rhs.m_unpack_fn;
-+        rhs.m_unpack_fn = nullptr;
-+        m_free_fn       = rhs.m_free_fn;
-+        rhs.m_free_fn   = nullptr;
-+    }
-+
-     packed_data() = default;
-
-   public:
-@@ -78,7 +113,7 @@ class packed_data {
-      * @tparam NewCtxArg Types of the serialization context.
-      * @param args Context.
-      */
--    template<typename ... NewCtxArg>
-+    template <typename... NewCtxArg>
-     auto with_serialization_context(NewCtxArg&&... args) {
-         return packed_data<unwrap_decay_t<NewCtxArg>...>(
-             m_unpack_fn, m_free_fn, m_handle, m_engine_impl,