AS patch for GPU assignments

We've been seeing donor reports of WU assignment issues for GPUs (WU's intended only for G80 GPUs going to Fermi and Kepler).  We finished an AS patch yesterday, gave it a day of testing, then rolled it out this morning to address this issue.  We generally don't like to roll out new AS code this quickly, but this time it seemed important to address this issue quickly.  We hope that as of 7:30am pacific time, this issue is now addressed, but we'll be keeping an eye out during the day to see.