v7.0-beta.116

* Issue **#2243** : Remove unwanted charset commands from migration script.

* Issue **#2232** : Fixed issue where search was getting stuck due to LMDB locking transactions.

* Issue **#2238** : Renamed table `docstore_history` to `docstore_schema_history`.

* Issue **#2226** : Ensure that `<Process>` audit events are schema compliant.

* Uplift version of `stroom-logs` content pack selected for download to `3.0-beta.1`

* Issue **#2228** : Stroom Dropwizard and Stroom Proxy Send/Receive log default formats improved.

* Issue **#2235** : Add CHANGELOG to the release artefacts.