v6.0.11

* Issue **#1264** : Dashboards running in embedded mode will not always ask for the user to choose an activity if the users session has one set already.

* Issue **#1264** : Added `embedded` mode for dashboards to hide dashboard chrome and save options.

* Issue **#1264** : Stroom no longer asks if you want to leave the web page if no content needs saving.

* Issue **#1263** : Fixed issues related to URL encoding/decoding with the `dashboard()` function.

* Issue **#1263** : Fixed issue where date expressions were being allowed without '+' or '-' signs to add or subtract durations.