LPS-35910 add ability to import private and public layouts, add ability to delete group before import
LPS-35910 src format
LPS-35910 Source formatting
LPS-35910 Update tests
LPS-35910 Source formatting
LPS-36000 Add language keys to portal-compat-hook and remove from so-activities-hook and so-announcements-portlet
LPS-36000 Source formatting
LPS-35910 Apply to plugins, changed 'layouts' in .json files to 'publicPages'