Version 0.1 -- design and external function

1. documents about storm deploy and usage
2. documents about kafka deploy and usage
3. the parallelFS diagnosis architecture design
4. documents that clear up metric influence
5. use kafka messages queue to transfer storage node status information
and have implement the status collector and send out function with
StatusCollector.py. (the reason to change to kafka is that i don't find
the way making ganglia collect status information at rate of every
second.)