Updated CHANGELOG + BC breaks doc

Author: ezimuel

BREAKING_CHANGES.md

@@ -1,3 +1,7 @@
+# 6.7
+
+- `{type}` part in `indices.put_mapping` API is not required anymore, see new specification [here](https://github.com/elastic/elasticsearch/blob/v6.7.0/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_mapping.json)
+
 # 6.0
 
 - [Search Templates]: PutTemplate endpoint has been removed (see [Elasticsearch Breaking Changes](https://www.elastic.co/guide/en/elasticsearch/reference/current/breaking_60_scripting_changes.html#_stored_search_template_apis_removed)),

CHANGELOG.md

@@ -1,3 +1,20 @@
+## Release 6.7.0
+
+- Removed requirement of `{type}` part in `indices.put_mapping`, see new API specification [here](https://github.com/elastic/elasticsearch/blob/v6.7.0/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_mapping.json)
+- Added `seq_no_primary_term` parameter in `bulk` endpoint [#884](https://github.com/elastic/elasticsearch-php/pull/884)
+- Added `include_type_name`, `if_primary_term`, `if_seq_no` in `delete` endpoint [#884](https://github.com/elastic/elasticsearch-php/pull/884)
+- Added `include_type_name` in `get`, `index`, `indices.create`, `indices.field.get`, `indices.get`, `indices.mapping.get`, `indices.mapping.getfield`, `indices.mapping.put`, `indices.rollover`, `indices.template.get`, `indices.template.put` endpoints [#884](https://github.com/elastic/elasticsearch-php/pull/884)
+- Added `seq_no_primary_term` in `search` endpoint [#884](https://github.com/elastic/elasticsearch-php/pull/884)
+- Added `if_primary_term', 'if_seq_no`in `update` endpoint [#884](https://github.com/elastic/elasticsearch-php/pull/884)
+
+### Testing
+
+- Fix tests for PHP 7 with ES 6.7 [[5401479](https://github.com/elastic/elasticsearch-php/pull/884/commits/5401479)
+
+### Docs
+
+- [DOCS] Fix doc links in README [[5a1782d]](https://github.com/elastic/elasticsearch-php/pull/884/commits/5a1782d)
+
 ## Release 6.5.0
 
 - Remove `_suggest` endpoint, which has disappeared from ES6 [#763](https://github.com/elastic/elasticsearch-php/pull/763)