EDIT

ref #5974 Fix synonymRelationship issues in vaadin

ref #5974 remove synonym relationship and other model changes

cleanup

ref #5458 Performance and usability

• avoid re-initialization of distribution settings
• removed Save button

ref #5458 Add taxon filter to distribution settings

ref #5458 Improve performance for taxon tree in settings dialog

• more efficient caching

ref #5458 Sort named areas

ref #5458 Fix item initialization problems

ref #5458 Use service based on UuidAndTitleCache to build taxon tree

ref #5458 Performance increase for taxon node selection

• by using SqlContainer the nodes are lazily loaded
• child nodes are loaded via a second SQL query which is filtered for parent_id when expanding a node
• parent-child relations are cached