Can't delete children by has_parent query on ElasticSearch 1.1.1

The following can be found in the elasticsearch logs on 1.1.1 when deleting an item from the search index
```
Failed to execute [delete_by_query {[oaetest][resource_following], query [{"has_parent":{"parent_type":"resource","query":{"ids":{"values":["d:camtest:-ytmiLQsyE"]}}}}]}]
org.elasticsearch.index.query.QueryParsingException: [oaetest] request does not support [has_parent]
	at org.elasticsearch.index.query.IndexQueryParserService.parseQuery(IndexQueryParserService.java:311)
	at org.elasticsearch.index.shard.service.InternalIndexShard.prepareDeleteByQuery(InternalIndexShard.java:436)
	at org.elasticsearch.action.deletebyquery.TransportShardDeleteByQueryAction.shardOperationOnPrimary(TransportShardDeleteByQueryAction.java:122)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction.performOnPrimary(TransportShardReplicationOperationAction.java:556)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction$1.run(TransportShardReplicationOperationAction.java:426)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
[2014-09-26 12:34:48,982][DEBUG][action.deletebyquery     ] [Legacy] [oaetest][0], node[rxJIbgJxQBaOPHpTPZHwHg], [P], s[STARTED]: Failed to execute [delete_by_query {[oaetest][content_comment], query [{"has_parent":{"parent_type":"resource","query":{"ids":{"values":["d:camtest:-ytmiLQsyE"]}}}}]}]
org.elasticsearch.index.query.QueryParsingException: [oaetest] request does not support [has_parent]
	at org.elasticsearch.index.query.IndexQueryParserService.parseQuery(IndexQueryParserService.java:311)
	at org.elasticsearch.index.shard.service.InternalIndexShard.prepareDeleteByQuery(InternalIndexShard.java:436)
	at org.elasticsearch.action.deletebyquery.TransportShardDeleteByQueryAction.shardOperationOnPrimary(TransportShardDeleteByQueryAction.java:122)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction.performOnPrimary(TransportShardReplicationOperationAction.java:556)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction$1.run(TransportShardReplicationOperationAction.java:426)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
[2014-09-26 12:34:48,985][DEBUG][action.deletebyquery     ] [Legacy] [oaetest][0], node[rxJIbgJxQBaOPHpTPZHwHg], [P], s[STARTED]: Failed to execute [delete_by_query {[oaetest][resource_members], query [{"has_parent":{"parent_type":"resource","query":{"ids":{"values":["d:camtest:-ytmiLQsyE"]}}}}]}]
org.elasticsearch.index.query.QueryParsingException: [oaetest] request does not support [has_parent]
	at org.elasticsearch.index.query.IndexQueryParserService.parseQuery(IndexQueryParserService.java:311)
	at org.elasticsearch.index.shard.service.InternalIndexShard.prepareDeleteByQuery(InternalIndexShard.java:436)
	at org.elasticsearch.action.deletebyquery.TransportShardDeleteByQueryAction.shardOperationOnPrimary(TransportShardDeleteByQueryAction.java:122)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction.performOnPrimary(TransportShardReplicationOperationAction.java:556)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction$1.run(TransportShardReplicationOperationAction.java:426)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
[2014-09-26 12:34:48,989][DEBUG][action.deletebyquery     ] [Legacy] [oaetest][0], node[rxJIbgJxQBaOPHpTPZHwHg], [P], s[STARTED]: Failed to execute [delete_by_query {[oaetest][resource_memberships], query [{"has_parent":{"parent_type":"resource","query":{"ids":{"values":["d:camtest:-ytmiLQsyE"]}}}}]}]
org.elasticsearch.index.query.QueryParsingException: [oaetest] request does not support [has_parent]
	at org.elasticsearch.index.query.IndexQueryParserService.parseQuery(IndexQueryParserService.java:311)
	at org.elasticsearch.index.shard.service.InternalIndexShard.prepareDeleteByQuery(InternalIndexShard.java:436)
	at org.elasticsearch.action.deletebyquery.TransportShardDeleteByQueryAction.shardOperationOnPrimary(TransportShardDeleteByQueryAction.java:122)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction.performOnPrimary(TransportShardReplicationOperationAction.java:556)
	at org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction$1.run(TransportShardReplicationOperationAction.java:426)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
```
See https://travis-ci.org/oaeproject/Hilary/builds/36351871 for a full log