qnd: Some CR updates.

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@94449 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
def: 6653 | Replaced usage of 'xpath' with '_xpath'

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@94450 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
fwr: the stream name provisioned should be the entryId without the "_" character

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@94452 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories
adding empty directories