Merge pull request #54 from sks/patch-1

Update links for docker image

Missing space between link and text

[DOC Fix] missing tilde in configuration commands

Merge pull request #42 from ernoaapa/update-containerd

Added tests for few small utility functions to increase coverage

Updated containerd to v1.1.0 and all deps

Fix typo in grpc-api-listen help text

Merge pull request #44 from ernoaapa/gitlab-ci

Move push-docker-manifest.sh to build dir

Remove Buildkite configs

Switch to use GitLab CI for ARM builds

Merge pull request #43 from ernoaapa/configurable-snapshotter

Added more tests to improve coverage

Updated containerd snapshotter to be configurable