https://github.com/cloudmeter/pion/issues/27

if lost connection in http::writer::send_more_data() then return immediately
after calling the finished handler (thanks magnum@github)

renamed flushContentStream() in http::writer to flush_content_stream()
fix header parse state
Adding missing header to build with Boost 1.55.0
Changing HTTP message content length type from uint64_t to size_t in order to eliminate Visual C++ 2010 warnings for 32-bit targets
Fixing Visual C++ warning C4800: 'uint8_t' : forcing value to bool 'true' or 'false' (performance warning)
Added missing const qualifier for endpoint argument in a tcp::connection::async_connect() function overloading
fixed boost include for boost::units::detail::demangle
fix for process_tests.cpp compilation
Merge branch 'fix_dbghelp_usage' of git://github.com/snikulov/pion into develop
https://github.com/cloudmeter/pion/issues/34

Don't upgrade admin rights is binding to high-numbered ephemeral port
PION-116 release file content from cache if a change causes max cached
file size setting to be exceeded
updated cmake license; added info to readme
pion::spdy::parser::name() needs noexcept to correctly override the virtual function
shared_array<T>::operator bool() is explicit in boost 1.54, use static cast
Merge branch 'develop' of git://github.com/pmed/pion into develop
Merge branch 'pull_req_cmake_update' of git://github.com/snikulov/pion into develop
Merge branch 'name_is_noexcept' of git://github.com/maysl/pion into develop
Merge branch 'explicit_op_bool' of git://github.com/maysl/pion into develop
Added check for BOOST_SYSTEM_NOEXCEPT to accomodate older versions of Boost
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	include/pion/error.hpp