Don't assert on HTTP_NOT_FOUND for some mesh data.  Reviewed by Kelly
Don't assert on HTTP_NOT_FOUND for some mesh data.  Reviewed by Kelly

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm