anchor.diff:  * When shard becomes active again, immediately increase its indexing buffer {pull}13918[#13918] (issue: {issue}13802[#13802])
   * Close TokenStream in finally clause {pull}13870[#13870] (issue: {issue}11947[#11947])
   * LoggingRunnable.run should catch and log all errors, not just Exception? {pull}13718[#13718] (issue: {issue}13487[#13487])
  -* Improve IndexingMemoryController a bit {pull}13548[#13548] (issue: {issue}13487[#13487])
  -* Engine: refresh before translog commit {pull}13414[#13414] (issue: {issue}13379[#13379])
  -* Fix exception handling for unavailable shards in broadcast replication action {pull}13341[#13341] (issue: {issue}13068[#13068])
  -* Call `beforeIndexShardCreated` listener earlier in `createShard` {pull}13153[#13153]
  -* Detect duplicate settings keys on startup {pull}13086[#13086] (issue: {issue}13079[#13079])
  -* Don't check if directory is present to prevent races {pull}13049[#13049]
  -
  -Engine::
  -* Engine: Let AlreadyClosedException and EngineClosedExceptionBubble up {pull}13380[#13380] (issue: {issue}13266[#13266])
   
   Exceptions::
   * Fix ensureNodesAreAvailable's error message {pull}14007[#14007] (issue: {issue}13957[#13957])
  -* Prevent losing stacktraces when exceptions occur {pull}13587[#13587]
   
   Fielddata::
   * Don't cache top level field data for fields that don't exist {pull}14693[#14693]
  -* Add GeoPoint in StreamInput/StreamOutput {pull}13632[#13632] (issue: {issue}13340[#13340])
   
   Geo::
   * Geo: Allow numeric parameters enclosed in quotes for 'geohash_grid' aggregation {pull}14440[#14440] (issue: {issue}13132[#13132])
  
positive.code: Search Templates::
  * Adds template support to _msearch resource {pull}12414[#12414] (issue: {issue}10885[#10885])
  
  Settings::
  * Remove index.buffer_size setting {pull}13563[#13563] (issue: {issue}13548[#13548])
  * Stop o.e.c.s.Settings from leaking Guava dependency {pull}13517[#13517] (issue: {issue}13224[#13224])
  
  Snapshot/Restore::
  * Simplify the BlobContainer blob writing interface {pull}13434[#13434]
  * Add `readonly` option for repositories {pull}13144[#13144] (issues: {issue}11753[#11753], {issue}7831[#7831])
  
negative.code: * Upgrade Lucene to 5.3.1 {pull}14669[#14669]
  * Upgrade to lucene-5.3.0. {pull}13239[#13239]
  
  Geo::
  * Update to spatial4j 0.5 for correct Multi-Geometry {pull}14269[#14269] (issue: {issue}9904[#9904])
  
  Internal::
  * Update to Jackson 2.6.2 {pull}13344[#13344] (issues: {issue}10980[#10980], {issue}207[#207], {issue}213[#213])
  
  Plugin Cloud AWS::
  * Update AWS SDK version to 1.10.19 {pull}13655[#13655] (issue: {issue}13656[#13656])
  
  Plugin Discovery EC2::
  * Upgrade to aws 1.10.33 {pull}14672[#14672]
  
  