Automatic merge from master

* origin/master:
  SONAR-6229 incremental indexing
  Remove unused BulkIndexer#setRefresh(boolean)
  Upgrade Elasticsearch from 1.4.2 to 1.4.4
  SONAR-6229 improve performance of ES indexing at startup
  Allow views to save any measure for remote views copy
  Document method to avoid nasty side effects on Views
  Async replication of activity docs

diff --cc pom.xml
Simple merge