Out with the old, in with the new Moby

- remove remainder of editions code
- add a new check container to run tests without Docker
- switch over `make test` to use new command to build tests

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

tools/qemu/Dockerfile

@@ -0,0 +1,13 @@
+FROM alpine:3.5
+
+RUN \
+  apk update && apk upgrade && \
+  apk add --no-cache \
+  libarchive-tools \
+  qemu-img \
+  qemu-system-arm \
+  qemu-system-x86_64 \
+  && true
+
+COPY . .
+ENTRYPOINT ["/qemu.sh"]