In some cases, it may be useful to completely override the set ports for a given application - such as on initial deploy when there is no global domain set. This change also further allows us to handle automation in a smoother fashion.
Users should never be in a position where they need to manually edit files managed by Dokku, and should be pushed to using the `domains` plugin where necessary.
Closes#3064
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While there are a number of enhancements we could do to make port handling more seamless, this is a first step towards documenting the various oddities around port management for Docker vs Buildpack deploys.
Refs #2903Closes#2970
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- use a plugin trigger to see whether we should bind to all interfaces
- create a generic way of setting properties for a plugin
- migrate proxy-enabled to the new network property "bind-all-interfaces"
- add network:set subcommand
