Initial "alpine-cloud-images" Commit

Build system works from end-to-end...

• generating configs
• building images locally with QEMU
• importing local images to cloud provider (only AWS at this point)
• publishing imported images to cloud regions

See README.md for more detailed information.

NOTE: The created images created probably do not work properly--YET...

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Logs from two subsequent runs of...

./build publish --only edge --parallel 2 --no-color

• test-publish.txt
• test-publish2.txt

(seems some STDERR/STDOUT bits are out of order in the above logs)