4.1 0415 2018
1. Fix cloud mode two client stop same token issue.
2. Fix ptz can't stop for some camera.
3. Add cloud replay PTZ command support.
4. Fix windows run as service issue.
5. Gotopreset/Setpreset/Delpreset support.
6. Change log to daily log.
7. Add Update User API.
8. User Auth Enable.
9. Disable ONVIF sub stream.
10. Fix cloud client video push sometime cloud server not accept issue.
11. Fix cloud client sometime can't reconnect issue.
12. Fix add ubuntu 16.04 service support in manual.
13. Add h5ssload in the linux release package.