***Cloudwatch**: Fix service panic because of race conditions [#13674](https://github.com/grafana/grafana/issues/13674), thx [@mtanda](https://github.com/mtanda)
***Stackdriver/Cloudwatch**: Allow user to change unit in graph panel if cloudwatch/stackdriver datasource response doesn't include unit [#13718](https://github.com/grafana/grafana/issues/13718), thx [@mtanda](https://github.com/mtanda)
***Variables**: Fix text box template variable doesn't work properly without a default value [#13666](https://github.com/grafana/grafana/issues/13666)
***LDAP**: Fix super admins can also be admins of orgs [#13710](https://github.com/grafana/grafana/issues/13710), thx [@adrien-f](https://github.com/adrien-f)