v7.0-beta.8

* Change precedence order for config properties. YAML > database > default. Change UI to show effective value. Add hot loading of YAML file changes.

* Issue **#1322** : Stroom now asks if you really want to leave site when stepping items are dirty. Also fixed `Save` and `Save All` menu items and dashboard param changes now correctly make a dashboard dirty.

* Issue **#1320** : Fixed formatting of XML where trailing spaces were being removed from content surrounded by start and end tags (data content) which should not happen.

* Issue **#1321** : Make path relative in stroom distribution .zip.sha256 hash file.

* The auth service now supports the use of HTTPS without certificate verification and adds additional logging.

* Issue **gchq/stroom-auth#157** : Automatically refresh user's API key when it expires.

* Issue **#1243** : Dashboard visualisations now link with similar functions available to dashboard tables, e.g. `link()`, `dashboard()`, `annotation()`, `stepping()`, `data()`.

* Issue **#1316** : JSONParser now includes various parse options including handling comments.

* Issue **#48** : Added option to hide/show dashboard table columns.

* Issue **#1315** : Improved health check for missing API key.

* Updated stroom expression to v1.5.4 and added new field types.

* Issue **#1315** : Improved health check for missing API key.

* Issue **#1314** : Fixed NPE thrown when logging caused when viewing docs that can't be found.

* Issue **#1313** : Suggestion boxes now make suggestions immediately before the user even starts typing.

* Issue **#1043** : Added feature to allow floating point numbers to be indexed.

* Issue **#1312** : Dictionaries now change the entity name in the DB when renamed.

* Issue **#1312** : Fixed read only behaviour of dictionary settings UI.

* Issue **#1300** : Multiple changes to annotations.

* Issue **#1265** : Added `modulus()` function along with alias `mod()` and modulus operator `%`.

* Issue **#1300** : Added `annotation()` link creation function, `currentUser()` alias for `param('currentUser()')` and additional link creation functions for `data()` and `stepping()`.

* Issue **#67** : Table columns now display menu items on left click.

* Uplift stroom-query to v2.2.4 to add better diagnostic logging.

* Uplift Kafka client to v2.2.1.

* Issue **#1293** : Add more static file types to allow nginx/browser caching on.

* Issue **#1295** : Add authentication bypass for servlets such as /remoting, /status, /echo, etc.

* Issue **#1297** : The UI now supplies API tokens to the backend for resource calls.

* Issue **#1296** : Fixed NPE in StreamMapCreator caused when a stream can not be found.