remove unuse header file.
fix mingw 4.8.1 gcc

Signed-off-by: Jack <jack.wgm@gmail.com>
add missing BOOST_SYSTEM_NOEXCEPT define

Signed-off-by: Jack <jack.wgm@gmail.com>
improve http_stream open/asyn_open

Signed-off-by: Jack <jack.wgm@gmail.com>
improve resolve dns

Signed-off-by: Jack <jack.wgm@gmail.com>
fix typo

Signed-off-by: Jack <jack.wgm@gmail.com>
release version to 2.9.5

Signed-off-by: Jack <jack.wgm@gmail.com>
improve multi_download.open()

Signed-off-by: Jack <jack.wgm@gmail.com>
improve multi_download.async_start

Signed-off-by: Jack <jack.wgm@gmail.com>
fix typo

Signed-off-by: Jack <jack.wgm@gmail.com>
fix typo

Signed-off-by: Jack <jack.wgm@gmail.com>
fix forget change obj to object_ptr.

Signed-off-by: Jack <jack.wgm@gmail.com>
fix async_start for multi_download.hpp

Signed-off-by: Jack <jack.wgm@gmail.com>
code style

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add bjam build files for avhttp

Signed-off-by: Jack <jack.wgm@gmail.com>
add comment for Jamfile build.

Signed-off-by: Jack <jack.wgm@gmail.com>
Merge branch 'master' of github.com:Jackarain/avhttp