[metrics]fix lastRate & meanRate long/double problem
[metrics]fix lastRate & meanRate long/double problem
[metrics]fix lastRate & meanRate long/double problem
Merge pull request #422 from jenning/master

[metrics]fix lastRate & meanRate long/double problem
fix testcase
手工merge pull request里的更新
ignore some GUI test to let showcase test pass
update JedisPoolBuilder
Metrics-Lib update，补完JMX Exporter的活
[metrics module] 一系列改进，包括一些重命名，JMXExporter更完善，锁的改进，排序的改进等