require unneeded here
small fixes to Inventory/JSON
CSV inventory format support library implemented
Full support for downloading CSV inventories

ChildWorker - pass inventory type from GlacierReques back to QueueJob
DownloadInventory command - parse both JSON and CSV
GlacierRequest - convent content-type to internal inventory type
Download/FetchAndDownload QueueJobs - pass inventory type from ChildWorker
Utils - constants for inventory type

+ tests

gemu - protocol support
gemu-test worker - some not-yet-working code