Merge pull request #15 from zhuzhaolong/Kenshin:dev

添加二进制接口和缓存查询接口
add instrumentation for self monitor
bugfix: use 0. for empty point
Merge pull request #16 from zhuzhaolong/Kenshin:dev

add instrumentation for self monitor
metric name adapter.

Change Graphite metric name to Rurouni metric name schema (metric +
tags).
Add whisper pickle reciver.

To receive data which is send by whisper relay.
Treat empty point as None.
Make metric_adapter.conf cleaner
Merge pull request #17 from zhuzhaolong/Kenshin:dev

metric name adapter.
update metric_adapter conf
Merge pull request #18 from zhuzhaolong/Kenshin:dev

update metric_adapter conf
bugfix: wrong whisper data format