dom0+vm/usb: encode/decode dots in USB device names when writing/reading xenstore
dom0+vm/usb: encode/decode dots in USB device names when writing/reading xenstore

QubesOS/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin