enable parallel make
add clean_deps and clobber targets
Merge pull request #76 from bpytlik/parallel-make

enable parallel make
fix for compile error with gcc3.4.5
fix for issue #75
remove zookeeper deps; makefile refactor
bump version to 0.8.0, many fix & improvement, not compatible with previous version
update benchmark data
update readme
fix crash for empty values
fix for rename command
add some new options
upadte default conf
switch default engine to rocksdb which perform much better in production env
improve replication speed between ardb instances
publish fix
add two configurable option for rocksdb
add -lrt for rocksdb
#78 add '-lrt' for some os which have link problem without it for rocksdb engine
geosearch fix & #79 fix
improve info command's output