changelog(): added nested ldap group to changelog, #4401

CHANGELOG.md

@@ -16,6 +16,7 @@
 * **KairosDB** The data source is no longer included in default builds, but can easily be installed via improved plugin system, closes [#3524](https://github.com/grafana/grafana/issues/3524)
 
 ### Enhancements
+* **LDAP**: Support for nested LDAP Groups, closes [#4401](https://github.com/grafana/grafana/issues/4401), [#3808](https://github.com/grafana/grafana/issues/3808)
 * **Sessions**: Support for memcached as session storage, closes [#3458](https://github.com/grafana/grafana/issues/3458)
 * **mysql**: Grafana now supports ssl for mysql, closes [#3584](https://github.com/grafana/grafana/issues/3584)
 * **snapshot**: Annotations are now included in snapshots, closes [#3635](https://github.com/grafana/grafana/issues/3635)