User role 'Viewer' are now prohibited from entering edit mode (and doing other…

User role 'Viewer' are now prohibited from entering edit mode (and doing other transient dashboard edits). A new role  will replace the old Viewer behavior

CHANGELOG.md

@@ -18,6 +18,7 @@
 - [Issue #960](https://github.com/grafana/grafana/issues/960).   Search: Backend can now index a folder with json files, will be available in search (saving back to folder is not supported, this feature is meant for static generated json dashboards)
 
 **Breaking changes**
+- [Issue #1826](https://github.com/grafana/grafana/issues/1826). User role 'Viewer' are now prohibited from entering edit mode (and doing other transient dashboard edits). A new role `Read Only Editor` will replace the old Viewer behavior
 - [Issue #1928](https://github.com/grafana/grafana/issues/1928). HTTP API: GET /api/dashboards/db/:slug response changed property `model` to `dashboard` to match the POST request nameing
 - Backend render URL changed from `/render/dashboard/solo` `render/dashboard-solo/` (in order to have consistent dashboard url `/dashboard/:type/:slug`)
 - Search HTTP API response has changed (simplified), tags list moved to seperate HTTP resource URI