• Implements h2-14 protocol (http://tools.ietf.org/html/draft-ietf-httpbis-http2-14)
• Implements HPACK 09 (http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-09)
• Fix memory leak
• Add nghttp2_option_set_recv_client_preface() function
• Add NGHTTP2_ERR_BAD_PREFACE library error code
• Move Makefile.msvc to lib directory
• Add experimental libnghttp2_asio C++ library, which is high level toolkit to build HTTP/2 server easily.
  It depends on Boost::Asio and Boost::Thread libraries.
• Fixed nghttp2_stream_resume_deferred_data() so that it does not fail if data is deferred by flow control
• Faster processing incoming connection level WINDOW_UPDATE
• Add examples/tiny-nghttpd, lighter faster version of nghttpd.