fwr: to avoid unnecessary repetition of code, the live stream entry will be finalized at the end of the process

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@94399 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories
adding empty directories