Merge commit '216638a0357e8f3abf452c4bd073d8ee2cdb4bb0' * commit '216638a0357e8f3abf452c4bd073d8ee2cdb4bb0': Add documentation about flash and change video-light to torch.
Merge commit '216638a0357e8f3abf452c4bd073d8ee2cdb4bb0' * commit '216638a0357e8f3abf452c4bd073d8ee2cdb4bb0': Add documentation about flash and change video-light to torch.