Dockerfile with Chromium, capture_steps module, Chrome environment
support, stale-element retries, owned-amount purchase check, the five
screenshots from a 300 second run (16.6 cookies per second) and the README
from the framework template. Reviewed in RC-013.
Task: MIL-004#1
Task: MIL-004#2
Task: MIL-004#3
Task: MIL-004#4
Task: MIL-004#5
Closes#19Closes#20Closes#21Closes#22Closes#23