Reduce coupling between ValueEditors/Viewers and Set and StyleSheet.

- Adding of actions is done with an addAction function
 - Files are read from
     - getStylePackage for styling stuff (this is stylesheet)
     - getLocalPackage for symbol and image values (this was the set)


git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@970 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/control/card_editor.cpp

@@ -60,6 +60,10 @@ ValueViewer* DataEditor::focusedViewer() const {
 	return FindFocus() == this ? current_viewer : nullptr;
 }
 
+void DataEditor::addAction(Action* action) {
+	set->actions.addAction(action);
+}
+
 // ----------------------------------------------------------------------------- : Selection
 
 bool DataEditor::AcceptsFocus() const {