ETCH-88 ETCH-83 added check if download is already there
ETCH-88
ETCH-83
added check if download is already there





git-svn-id: fadc92a2e5f700a5cbf547f810915d7a82a23cf8@1000379 13f79535-47bb-0310-9956-ffa450edef68

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