fwr: support widevine response type

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@94940 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
fwr: support widevine response type

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@94941 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories
adding empty directories