LPS-45059 As a developer I'd like to be able to register PortletLayoutListener impls from OSGi
LPS-45061 As a developer I would like ServiceTrackerList to implement Closable so the code is more concise
LPS-45061 apply it
LPS-45061 SF
LPS-45059 close was lost
Test Fixes - SiteandPagetemplatesUsecase - paths
Test Fixes - SiteandPagetemplatesUsecase - macros
Test Fixes - SiteandPagetemplatesUsecase SF
Test Fixes - CPPagetemplatesTestCase - paths
LPS-45060 As a developer I'd like to be able to register PollerProcessor impls from OSGi