etcd 3.4.7 binaries added

Merge pull request rancher#429 from dweomer/xorriso-joliet-bootable-f…

…rom-usb

iso: fix usb image

Merge pull request rancher#429 from dweomer/xorriso-joliet-bootable-f…

…rom-usb

iso: fix usb image

Merge pull request rancher#428 from dweomer/base/tzdata

base: add tzdata and ncurses-terminfo

Merge pull request rancher#412 from dweomer/k3s/v1.17.4+k3s1

k3s v1.17.4+k3s1

Merge pull request rancher#388 from dweomer/bump/system-upgrade-contr…

…oller/v0.3.1

bump system-upgrade-controller to v0.3.1

Merge pull request rancher#375 from dweomer/pre-v0.9.0

doc cleanup prior to release

Merge pull request rancher#371 from dweomer/udev-trigger

udev-trigger as sysinit service

Merge pull request rancher#369 from dweomer/deprecate-upgrade-scripts

deprecate upgrade scripts in favor of upgrade controller

Merge pull request rancher#363 from dweomer/eudev

udev support