new feature start
hash bloom
bloom
dedup1
dedup seems ok
index file seems work now
dedup file is given by argument
start to add io_api
grant commit
resolve confflict in dedup_test
start implementing the io_api,but still more things to consider..
need more thinking..
delete posix api,which will not be used anymore
redis,a new start,but still many things to explore
master up-to-date