changed p2 to support only 4.2.1 databridge.datapublisher
storage provided reads the extension files and checks ability to view an asset resource
security provider cached
security check for gadgets in publisher when serving images
added security checks for ebooks and sites when serving resources in publisher
added security check for gadgets,ebooks and sites to store
added anon permissions to publisher
Added anon permissions to view resources for both publisher and stor