EDIT

ref #6131 Refactor settings dialog

• extracted abstract class
• set style for OK/Cancel button

ref #5458 Remove generated scss files and add them to .gitignore

ref #5458 Add property formatting for distribution table

ref #5458 Usability and UI tweaks

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 remove distribution selection view

ref #5458 performance tweak for distribution status selection

ref #5458 UI tweak for settings window

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

ref #5458 Fix potential NPE