ref #6925 Inject context into operations to allow sync/async execution

ref #6913 Remove org.eclipse.ui dependency from NavigationUtil

ref #6925 Migrate getActivePart()

ref #6925 Set active part in utility class

Merge branch 'develop' into bulkEditorE4

Conflicts:¶

eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/e4/container/MisapplicationContainerE4.java¶

eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/taxon/TaxonRelationshipDetailElement.java¶

ref #6595 removed e3 name editor classes (unstable navigator plugin)

ref #6595 migrate drag and drop functionality

ref #6595, #6925 Use EventBroker to keep track of active taxon editor

ref #6925 Update part titles

ref #6595 Update part name with changes