v1.4.1
Disabled cloud-init netconfig for persistent rootfs (#769)
Added an option to store whole user-data in secret/configmap entry (#770)
Added devicemapper GC for persistent rootfs (#771)
Updated block PV & persistent rootfs docs+examples (#772)
SHA256 sums for the files:
0c91ad3816f3aa1e5cd8bcb3e9697e184b44ace692142de65c5daefb85d3816f virtletctl
4417b26c10e5021c1cb76f9cb0f7acbdfd875bef871abccf948d5558e8d25e44 virtletctl.darwin