hapijs/hapi — pull request #2024 by jagoda (2014-10-10 17:17:21+00:00)
Title: Resolve undefined environment variables to the empty string in the cli.

When using a manifest that references undefined environment variables for port values, the pack fails to start because `undefined` is not a valid port parameter for a `Server`. This change causes the cli to treat undefined environment variables as the empty string. In the case where a port value is parsed, this will cause the server to use an ephemeral port.