Updates on lab 8 and added draft conclusion section.
Updates on lab 8 and added draft conclusion section.

Azure-Readiness/hol-azure-machine-learning,Azure-Readiness/hol-azure-machine-learning,Azure-Readiness/hol-azure-machine-learning,Azure-Readiness/hol-azure-machine-learning,Azure-Readiness/hol-azure-machine-learning