PersistentNodeTraits: internal redesign...
LibGUIExt: TYPE_COLLAPSIBLE_CONTAINER refreshContents() added; ...
ObjectExplorer: object entries can be refreshed; ...
PADrend/GUI/MainToolbar: ...
TreeQuery: Improve createRelativeNodeQuery(...) function.
NodeEditor/Tools/TreeMenu: Add function 'Group nodes in common subtree'; ...
Merge branch 'master' of https://github.com/PADrend/Plugins
ObjectTraits/NodeLinkTrait added.
LibGUIExt: Allow labels to have DataWrappers.
ObjectTraits/NodeLinkTrait ...