* The new feature of Elasticsearch storage with the time series implementation.
* Time bucket util improve.
* Fixed some Gramma error.
* Update ttl.md
Polish English a little.
* Update ttl.md
Add more explicit description of TTL
* Update ttl.md
* Update StorageModuleElasticsearchConfig.java
Set otherMetricsDataTTL = 0 as default, make user more clear.
* Rename the timeSeriesAble to capableOfTimeSeries
* Fixed a test case failure.