fix #7329 Unify naming for both specimen editors (bulk and hierarchy)

improve deduplication handling and saving in bulkeditor

ref #7227: disable setMarker in bulkeditor if no entity is selected

Fix concept relation view for bulk editor

ref #7227:minor

ref #7227: check for empty selection for menu creation

fix problems in bulkeditor

fix ambersand problem in label of referencing objects view

ref #7268 Implement own extension point for preferences

Conflicts:¶

eu.etaxonomy.taxeditor.workbench/fragment.e4xmi¶

cleanup