11.2 0420 2020
1. Add default GetPresets list when the device don't support GetPresets
2. Add User/Role managerment support.
3. Add a Control center dashboard page.
4. Add PTZ focusin/focusout/irisin/irisout/upright/upleft/downright/downleft action.
5. Fix HIK SDK Get AAC audio config but don't have AAC audio issue.
6. Enable H.264 to H.264 transcoding support.
7. Fix server pb can't stop issue and server playback end event.
8. Remove /api/resource/v1/regions/root from ISC integration.