Fix typo in JavaDoc -- s/note/not
Fix potential infinite loop in double wildcard processing

Fixes #4610
pass on node seed to the node level settings in TestCluster
Expose `simple_query_string` flags in `flags` parameter
Default the circuit breaker limit to 80% of the maximum JVM heap
use trace logging to print RoutingNodes in test
Renamed old setIgnoreIndices to setIndicesOptions.
Added missing indices options to rest spec and rest actions.
Simplify indices stats API

Note: This breaks backward compatibility

* Removed clear/all parameters, now all stats are returned by default
* Made the metrics part of the URL
* Removed a lot of handlers
* Added shards/indices/cluster level paremeter to change response serialization
* Returning translog statistics in IndicesStats
* Added TranslogStats class
* Added IndexShard.translogStats() method to get the stats from concrete implementation
* Updated documentation

Closes #4054