Eugene Yokota 9d40404915 JSON port file ...

This implements JSON-based port file. Thoughout the lifetime of the sbt server there will be `cwd / "project" / "target" / "active.json"`, which contains `url` field.

Using this `url` the potential client, such as IDEs can find out which port number to hit.

Ref #3508

2017-09-17 19:19:56 -04:00

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src/main

JSON port file

2017-09-17 19:19:56 -04:00