grim/convey

Add a test for parsing the output of `aws ecr get-login`. Refs #161
# This test just ensure that we can set the workdir to ${CONVEY_WORKSPACE}
# successfully
tasks:
basic:
type: docker/run
image: alpine:edge
workdir: ${CONVEY_WORKSPACE}
script:
- pwd
- ls
plans:
default:
stages:
- tasks: basic