Merge pull request #66 from GenoLogics-OpenSource/upstream

When an item is deleted outside a transaction, add it to the delete queu...
Fixed issue #67 : BroadcastOperationResponse.failedShards() refactored into BroadcastOperationResponse.getFailedShards()
Added entries in the history (doc)
Merge pull request #1 from mstein/master

Merge issue #67