1. 默认为线程安全. 2. 修改dbg颜色为高亮绿色, info为绿色, 区别开来.

Signed-off-by: yuxb <yuxb@ihd.co>
Merge branch 'master' of github.com:avplayer/avhttp
resolve WIN32_LEAN_ADN_MEAN problem
add post form
improve file open.

Signed-off-by: Jack <jack.wgm@gmail.com>
modify logging.hpp document comments