Installation and Bug Reporting Instructions   This is a somewhat unusual release, meaning vs. 6.5.2 stable we only updated the kernel to latest patch release, but also changed a single kernel CONFIG setting that changes the kernel preemption model.  This change should not have any deleterious effect on the server, and in fact may improve performance in some areas, certainly in VM startup (see below).  However, we want to make this change in isolation and release to the Community in ord