lab1
updating lab1. Checkout the email from 6.824 staff for details about the update.
Updating lab1. Details about the update are availabe on Piazza, if necessary.
Updating lab1. Details about the update are availabe on Piazza, if necessary.
Updating lab1. Details about the update are availabe on Piazza, if necessary.
Updating lab1. Details about the update are availabe on Piazza, if necessary.
Updating lab1. Details about the update are availabe on Piazza, if necessary.
Updating lab1. Details about the update are availabe on Piazza, if necessary.
Merge branch 'lab1' of http://am.lcs.mit.edu/6.824-2012/yfs-class