Removed the check for timestamps in the future.
Removed the check for timestamps in the future.

We were preventing timestamps from being in the future for stream data. This restriction has been removed.

Closes #554

hongsudt/server,HaiJiaoXinHeng/server-1,hongsudt/server,hongsudt/server,HaiJiaoXinHeng/server-1,HaiJiaoXinHeng/server-1