Now with logging!

In the prior version, logs weren't generated. Now they are.

In the BOSH manifest, use this in the releases: section:

- name: sslip.io
  sha1: c24a2b1fef37c252fda54509ef5fd82f2367c04a
  url: https://github.com/cunnie/sslip.io/releases/download/1.0.1/sslip.io-release-1.0.1.tgz
  version: 1.0.1