Added master meeting comments and function locking
Added shell scripts for automatic benchmarking and validation
Merge branch 'master' of /afs/csail.mit.edu/proj/courses/6.172/private/master-repo/project3
Reduced locked areas to make program run faster
Merge branch 'master' of /afs/csail.mit.edu/proj/courses/6.172/student-repos/project3/albertyw-bcass
Added code to lock and unlock bins
Merge branch 'master' of /afs/csail.mit.edu/proj/courses/6.172/student-repos/project3/albertyw-bcass
Made malloc use bin locks instead of global locks
Some random enhancements.  Need to fix joinBlocks
Fixed most race bugs, except for growvector
Cleaned up the code and comments a bit
Optimized some stuff
Merge remote-tracking branch 'project3/master'
Added project3
Merge remote-tracking branch 'project4/khetplayer/master'
Added project4
Create README.md