Fixes

• Do not copy extra junk when installing dev build of porter #1547
• fix(archive.go): repeatable shasum on archive #1537
• Generate Dockerfile into .cnab/ directory #1545
• Support mixins without descriptions #1534 by @ThorstenHans
• Fix ApplyTo in porter explain #1540

Misc

• Allow overriding home dir and download url during install #1542
• List ECR as a compatible registry #1541
• Update docs on our cdn infrastructure #1538
• Redirect package indexes #1536

Install or Upgrade

Run (or re-run) the installation from https://porter.sh/install to get the latest version of porter.