Multithreaded sync done
No support for busy node delayed sync yet
dmsetup can fail when vm is still stopping
Merge commit 'f1771b8bca0535a9e0f098fa1670ea5284fe328d' into develop
Throttling works for upload; download needs same thing
Throttling finished
Merge branch 'feature/throttling' into develop
Get number of sync workers from attributes
Fixed tests