Fixed #1486 - Chapters conflict with some conditions and Shift-Play previews
Fix #1465: script fields showing empty until clicked
Fixed #1482 - Thumbnail viewer cannot click on the image if an explanation text and a link is added
Fixed #1485 - Hotspot connectorpage - cannot edit video's anymore
Fix translation of 'required' in documentation page
Fixed #1483 - Issues with hotspot bubble in the hotsot connector page
Fixed #1478 - When using Moodle authentication, xapi_launch.php does not work
Fixed #1473 - Hotspot Image Connector image does not scale on mobile device
Fixed #1472 - Cannot change icon when changing hotspot to an icon in an existing Hotspot Image Connector page