add user agent to the http request header
add user agent to the http request header

SpectraLogic/ds3_net_sdk,shabtaisharon/ds3_net_sdk,RachelTucker/ds3_net_sdk,RachelTucker/ds3_net_sdk,shabtaisharon/ds3_net_sdk,shabtaisharon/ds3_net_sdk,SpectraLogic/ds3_net_sdk,RachelTucker/ds3_net_sdk,SpectraLogic/ds3_net_sdk