Updated LatestAnnotation, CurrentSegmentInfobox, AnnotationController and AnnotationList widgets to use timerange to find the current segment when the corresponding option is used + CurrentSegmentInfobox now has an option for editing the current segment + LatestAnnotation now has a "Copy and edit" button that allows to use the text from the currently displayed annotation into the CreateAnnotation widget textarea

.Ldt-HelloWorld p {
    text-align: center; font-size: 12px; margin: 2px 0;
}