API CHANGE: Added FilesystemPublisher::getExistingStaticCacheFiles(), to help build caching logic methods. (from r91354)
API CHANGE: Added FilesystemPublisher::getExistingStaticCacheFiles(), to help build caching logic methods. (from r91354)

git-svn-id: 6a4b03ee343470183bbb87c82a181a93d31fa3a9@96810 467b73ca-7a2a-4603-9d3b-597d59a354a9

silverstripe-labs/silverstripe-reports,helpfulrobot/i-lateral-silverstripe-siteconfig,jonom/silverstripe-cms,dhensby/silverstripe-cms,dhensby/silverstripe-reports,dhensby/silverstripe-cms,silverstripe/silverstripe-siteconfig,silverstripe/silverstripe-cms,silverstripe-labs/silverstripe-reports,dhensby/silverstripe-cms,jonom/silverstripe-cms,dhensby/silverstripe-reports,silverstripe/silverstripe-cms