[sdk] Allow to pass an NULL subscription ID for Genvid_Unsubscribe.
It was refused as an invalid parameter.
[sdk] Enforce the presence of a stream ID for Genvid_GetParameterUTF8.
[sdk] Correctly prefix events and commands subscription during
unsubscriptions. This fix subscriptions commands that could failed.
[toolbox] Allow to unseal an already initialized vault on restart.
This could happen if the vault process is kill, for example after a
reboot, without a clean command call on the consul service.
[installer] Add missing DLLs for the Unity sample.
[ut4 sample] Clamp popularity values between 0 and 60.