Update CMakeLists.txt
Merge branch 'master' of github.com:avplayer/avupdate
Merge branch 'master' of github.com:Jackarain/Update
disable specific warnings: 4819, 4244

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

Signed-off-by: Jack <jack.wgm@gmail.com>
fixed file_down_load, don't use map.iterator in here.

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