Loading config from YAML file,in constructor.
complete log system,now a new log will be generated every day
code review
modify YAML config  function
adjust init function again

Signed-off-by: zjjott <zjjott@126.com>
modify type from Map<String,Object> to Map<String,String>
Merge pull request #14 from zjjott/master

add YAML config and log system change