Bug fixes

Important for paragraph users: Make sure you apply the following paragraphs patch: https://www.drupal.org/project/paragraphs/issues/2907094

Changes since 8.x-3.0-beta1:

• #3047526: services will not json_encode arrays with recursive elements
• #2870700: Suggestions to make file/create_raw more developer friendly

- Visual Tour
- Removed compulsory registration
- UI changes
- bug fixes

Changing timeout to 30 Seconds

Minor release to include #3040924: Notice: Undefined property $batch_field_defaults

Adding ServerException error handling, as these were causing WSODs when the remote server returned a 500 error.