LPS-34702 Move BlogsEntry export/import logic from portlet data handler to the new BlogsEntryStagedModelDataHandler
LPS-34702 Register the new BlogsEntryStagedModelDataHandler
LPS-34702 Apply new staging pattern to BlogsEntryStagedModelDataHandler
LPS-34702 Apply new staging pattern to BlogsPortletDataHandler
LPS-34702 Remove obsolete methods
LPS-34702 Remove obsolete Wordpress import
LPS-34702 Null check not necessary method always returns with an element - empty if not other
LPS-34702 Element is not needed when creating service context for a StagedModel
LPS-34702 Source formatting
LPS-34702 SF