LPS-34639 Display count for main controls in publish layouts
LPS-35834 Move get root portletId to a new method (no logic changes)
LPS-35834 move to ExportImportHelperImpl (no logic changes)
LPS-35834 Deattach portlet setup export and portlet data export
LPS-35834 Copy method from LayoutExporter (copy/paste, no changes)
LPS-35834 Allow selective import of portlets.

Follows same pattern as in LayoutExporter
LPS-35834 Rearrange code (no logic changes)
LPS-35834 Apply same criteria for data and setup in portlet export and import
LPS-35834 Rearrange code (no logic changes)
LPS-35834 Define setup as an option of portlet configuration

To export/import setup, archived setups or user preferences, the configuration option must be enabled
LPS-35834 Add configuration to parameter map
LPS-35834 Add a checkbox to export the Setup for all portlets
LPS-35834 Define configuration controls for portlet data handlers with configuration
LPS-35835 Support for a label in boolean control data handlers that is different to the name
LPS-35835 Display export configuration options for each portlet
LPS-35835 Add a default portlet data handler for portlets with configuration
LPS-35385 Use rootPortletId instead of portletId
LPS-35834 Remove unused parameters
LPS-35834 Buy space
LPS-35834 The rest of the vars depend on exportCurPortletConfiguration, so line break it for logical break