Machine Modifications for URSI CIA project

For etch boxes

- follow http://demudi.agnula.info/wiki/Low-latencyKernelBuildingHowto

- rebuild nvidia driver - had problems with nvidia driver, not using it with low latency machines - rebuild wacom driver - add snd-seq-midi to /etc/modules

Currently, tlc, al71 and al72 are setup for low latency.