elatiscsearch sink test case failure

[이승진]

 Hello all,
 
I pulled trunk branch and tried to build jar by mvn package.
 
But it failed because of a single test case failure.
 
Below is the log regarding that, I think this is due to the difference in 
locale and should be fixed
 
 
Failed tests:   
shouldUseUtcAsBasisForDateFormat(org.apache.flume.sink.elasticsearch.TestElasticSearchIndexRequestBuilderFactory):
 expected:<[Coordinated Universal Time]> but was:<[세계 표준시]>