LDEV-3115, LDEV-3215: Grouping for Floating activities. Improve grouping detection for plain Tool activities.Last LD access list front end partial implementation.
LDEV-3207: Use a collection for annotations which WDDX serializer understands.Ask user before leaving a non-empty Learning Design.Store child activity coordinates relative to parent Optional/Floating/Parallel activity.
LDEV-3206: Information about succeeding lesson being now available to learner gets displayed if the lesson is really available, i.e. is ACTIVE or FINISHED.
LDEV-3115: Annotations saving/loading.DB structures for recently used LDs list.Duplicates of SVG icons with name pattern recognised by Flashless Authoring.
LKC-43 changed default font name from "Calibri" to "Calibri-Regular". As autoSizeColumn() method calculated column width incorrectly for some JDK versions