Add endpoint for dumping all effective settings #2738
Description
We should provide an endpoint that dumps a map of all settings and their values.
% curl localhost:9200/_config
{
"cluster": {
"name": "elasticsearch"
},
"index": {
"number_of_shards": 1
},
"node": {
"data": true,
"master": true
},
"etc": "..."
}