Add error tolerance to firmware downloads
Add error tolerance to firmware downloads

This was done already for uploads, but we'll do it for downloads
as well since they also occur during the firmware update process.

SilverLiningSystems/cxmanage-test2,Cynerva/cxmanage,Cynerva/cxmanage,SilverLiningSystems/cxmanage-test2,SLS-Dev/cxmanage,SilverLiningSystems/cxmanage-test,SLS-Dev/cxmanage,SilverLiningSystems/cxmanage-test