add url, image, script, and style tags
separate build paths for war

add separate manifest and targetDir config props for war process
so that production manifest/targetDir props can be specified
for the production runtime environment
separately from the war paths used during the build process
added excludes prop to StarUrlHook

excludes dotfiles (and dot directories) by default
add CdnTargetHook

allows cdn.url to be prefixed to targetUrls in existing manifiest files
when loading modules at runtime