Bump kernel to v4.14.65

Decompress user-data if it is gzipped

Fixes rancher#2391

(cherry picked from commit 05c2a40)

Bump open-vm-tools to 10.2.5-3

Fix user-docker sucks with docker-17.12.1+ (rancher#2332)

Use gzip to compress system-docker images for dev build

Roll back kernel and os-base because of the zfs issue

kernel: 4.9.80
os-base: v2017.02.10-1

Roll back kernel and os-base because of the zfs issue

kernel: 4.9.80
os-base: v2017.02.10-1

Bump kernel to 4.15.9

Reduce the memory consumption at startup (rancher#2247)

Offline image is automatically loaded when the system boots.
When the system memory is not large enough (such as 1G), will lead to
kernel panic.

Reduce the memory consumption at startup (rancher#2247)

Offline image is automatically loaded when the system boots.
When the system memory is not large enough (such as 1G), will lead to
kernel panic.