Kernel Upgrades Completed

     In addition to the host machines, I updated a number of guests also to the 4.8 kernel.  The main incentive for doing this was improvements in NFS handling.  In the case of the older shellx and scientific servers, they were running on a super ancient 2.6 kernel because none of the 3.x kernels would boot on those machines but the 4.8.12 kernel seems to boot and run fine.