V0.2.0&V0.1.0 roadmap finished and V0.2.0 Release.

Version-0.1.0(finished at 14/07/2014):
impl both local and centralized configuration with follow basic functions:
(1)load local config first and check
(2)if not exists, load remote config

It's a basic config loading priority(local>remote),that means you can keep empty config in local,it will load remote centralized config at last.

Version-0.2.0:(finished at 14/07/2014)
add functions:
(1)watch local config file change, it changes cause local configBundle change in directly.
(2)watch remote config item change, it changes cause remote configBundle change in directly.