distribute benchmark
start benchmark in background
revert
small change

use -n 100000 for benchmark (smaller)

[ticket: X]
update README
Merge branch 'master' of gitlab.baidu.com:xredis/deploy
commit failover code
merge the failover code
change all T to TT
we will use mixin for modularity
add scheduler, and lib/xxx

- add scheduler task
- use mixin, move some code to lib/xxx
- change some code of all_masters to _active_masters

[ticket: X]
check warning & code rearrange

- config added!!!
    - REDIS_MONITOR_EXTRA
- add _check_warning on monitor

- code rearrange
- add try...except to failover
- enable auto-complete with the power of argcomplete

[ticket: X]
watch stat of nutcracker...

- we can live watch stat of nutcracker, and check_warning against it!
- make REDIS_MONITOR_EXTRA and NUTCRACKER_MONITOR_EXTRA optional
- use telnetlib instead of nc

[ticket: X]
update README.rst