Added lib dir in cassandra-0.7
Added lib dir in cassandra-0.7

madhurihn/YCSB_ToyDB,jaemyoun/YCSB,brianfrankcooper/YCSB,cricket007/YCSB,cricket007/YCSB,cricket007/YCSB,ChristianNavolskyi/YCSB,manolama/YCSB,manolama/YCSB,leschekhomann/YCSB,cricket007/YCSB,zyguan/ycsb,leschekhomann/YCSB,jaemyoun/YCSB,ChristianNavolskyi/YCSB,brianfrankcooper/YCSB,zyguan/ycsb,leschekhomann/YCSB,ChristianNavolskyi/YCSB,brianfrankcooper/YCSB,ChristianNavolskyi/YCSB,brianfrankcooper/YCSB,madhurihn/YCSB_ToyDB,jaemyoun/YCSB,leschekhomann/YCSB,madhurihn/YCSB_ToyDB,manolama/YCSB,jaemyoun/YCSB,manolama/YCSB,zyguan/ycsb,madhurihn/YCSB_ToyDB,zyguan/ycsb