LPS-35335 keep existing behavior changing the pattern from boolean to enumeration
LPS-35335 keep backwards compatibility
LPS-35335 make some datahandlers portlet-instance level
LPS-35335 add the portletId to the PortletDataHandlers API (backwards compatible)
LPS-35335 move method to java class (no logic changes)
LPS-35335 replace always exportable portlets for the site data portlets
LPS-35335 remove the concept of always exportable portlets
LPS-35335 don't show the section associated to portlet configuration or content if there isn't any dataHandler
LPS-35335 apply same changes to publish_layouts
LPS-35335 remove isAlwaysStaged since we will now be based on content
LPS-35335 apply same changes to staging
LPS-35335 Rename
LPS-35335 Lang keys