Relase Notes

Enhancements:

Support external versioning for deletes arriving before initial update (#1351)
No need to reroute (check for possible shard allocations) when a new non data node is added to the cluster (#1368)

Put mapping on a single node with new mapping will not wait for the mapping to be applied (#1355)
Malformed REST create index causes the index to still be created (#1359)
Fetch phase when searching might fail when mapping are updated with type missing (#1369)