add support for CDN using 'remoteFiles' property in bundle.json
Merge pull request #10 from go-oleg/cdn_support

add support for CDN using 'remoteFiles' property in bundle.json
some comments
adding CDN file support for edge cases
support for contextPath
add support for remoteFiles object description

supported object attributes: path (relative or full path), prodMode (boolean), devMode (boolean)
Merge branch 'refs/heads/cdn_plus_support' into dev