ddollar/foreman — pull request #205 by bradgessler (2012-05-30 08:41:12+00:00)
Title: Added support for ENV variable interpolation

Sometimes in a .env file you just want to do something like this:

```
REDIS_PORT=7080
REDIS_URL=redis://myhost.com:$REDIS_PORT
PATH=/my/bins:$PATH
```

This commit adds support for ENV variable interpolation while running the cli for Foreman.