6.1 0716 2018
1.Split API document from manual document.
2.Fix output bitrate not correct when > 10240k
3.Fix Ubuntu 16.04 bitrate always 0 issue.
4.Fix linux meminfo fd leak issue.
5.Add change linux max socket method in the document.
6.Fix record file read Permission denied issue.
7.Video panel full screen support in UI.
8.Video panel close button added in UI.
9.Add Change default play protocol support in UI.
10. Add PTZ control support in UI.
11. GetSrc API keep the camera password, doesn't change to ******.