EDIT

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

ref #5458 performance tweak for distribution status selection

ref #5458 Add support for setting distribution status filter in settings

ref #5458 Error handling for abbreviated labels

ref #5458 Reduce size of distribution table

• Show only abbreviated labels for presence absence terms

ref #5458 Refactoring

• removed single implemented interfaces
• merged methods
• removed unnecessary try&catch blocks

ref #5458 Add TermCacher class

ref #5458 Implement multi select for NamedArea selection

ref #5458 Add generated serial version uid

ref #5458 Major performance increase

• refactored term loading
• cached loaded terms
• removed unnecessary methods and generics
• reduces warnings