fwr: fix for XML with more than 500 items

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@95018 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: 1. Added the host name in case of error
2. flush DNS on windows machine in case of error (hack to get rid of problems with the same machine)

git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/core@95019 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
adding empty directories
adding empty directories