Fixes

• Fix testdata to set mysql-user default (#860)
• update cdn url and mixin author name (#858)
• update dockerhub org for bundle tags to getporter[ci] (#857)
• add logic to resolve/interpolate output values in a Porter manifest (#840)
• Doc that custom dockerfiles must have apt (#853)
• Render manifest template with raw entities (#852)
• ref(Makefile): simplify loop (#850)
• update url for cnabio/cnab-spec (#849)

Install or Upgrade

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