EDIT

ref #5458 extract constants for session attributes

ref #5458 Error handling for abbreviated labels

ref #5458 Add abbreviated labels to distribution table

ref #5458 Refactoring

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

ref #5458 Implement multi select for NamedArea selection

ref #5458 Add named areas selection box

ref #5458 Extract duplicate code

ref #5458 Do view data binding in enter() method of table view

ref #5458 Major performance increase

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

ref #5458 Remove natural sorting from node retrieval