v7.1-beta.2

* Issue **#2186** : Fix autologger handling of update operations on entities referenced by id alone.

* Issue **#2183** : Improve error message when property values cannot be de-serialised. Change property DB migration to add conversion of legacy property values that are now a collection type, e.g. List<String>.

* Issue **#2187** : Fixed issue editing a processing filter that has been changed.

* Issue **#2079** : Removed unused session resource code from React UI and backend.

* Issue **#2185** : Stroom now supports the use of an externally provided logout endpoint with the `logoutEndpoint` configuration property.

* Issue **#2188** : Changed all autologged REST methods to return a value (void is not compatible with autologger)

* Issue **#2184** : It should now be possible to use the Cognito OpenId configuration endpoint with Stroom. You should no longer need to set the `jwtClaimsResolver` in the Stroom config as the standard resolver should work. However, you will need to set the new `tokenExpectedInRequest` property to `true` as Cognito delivers fresh tokens with every request.

* Issue **#2177** : Stroom should no longer crash when it is unable to retrieve OpenId configuration.

* Issue **#2176** : Now avoids NPE and produces a proper error when a pipeline cannot be located when loading reference data.

* Issue **#2179** Extend cron expression syntax. Both `/` (interval) and `-` (range) are now supported.

* Issue **#2172** : To improve search performance local search results are no longer transferred with payloads to a secondary local store.

* Issue **#2172** : To improve search performance only primary search result stores using LMDB will serialise data, i.e. stores used for visualisations now just use search objects and not binary data.

* Issue **#2180** : Fix NPE when Stream Appender has no stream type defined.

* Issue **#2167** : Prevent autologger warning for `RestResourceAutoLoggerImpl`.

* Remove merge artifacts from `scripts.env`.

* Issue **#2172** : Changed the way keys and values are packed into LMDB.

* Issue **#2180** : Fix NPE when Stream Appender has no stream type defined.

* Issue **#2167** : Prevent autologger warning for `RestResourceAutoLoggerImpl`.