ref #6925 Open bulk editor in editor area

ref #7006 Revert opcoach plugin for preferences

ref #6925 Refactor NavigationUtil.isDirty()

ref #7006 Migrate store preferences

fix #6921 Migrate ABCD and GBIF import views

ref #6925 Fix part initialisation for open handlers

Merge branch 'develop' into bulkEditorE4

Conflicts:¶

eu.etaxonomy.taxeditor.editor/META-INF/MANIFEST.MF¶

eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/e4/ConceptViewPartE4.java¶

eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.java...¶

ref #6911, #6925 Clear views when selection providing editor is closed

ref #6932 Migrate bulk editor (non-stable)

ref #6910 Fix "Open in..." for referencing objects view