graylog2 bosh release v0.0.7

Added a new job to regularly run geoipupdate. You can now add geolocation by following the graylog documentation.

releases:
- name: graylog
  version: 0.0.7
  url: https://github.com/AusDTO/graylog-boshrelease/releases/download/v0.0.7/graylog-0.0.7.tgz
  sha1: 3f97021aa5b42c84a03e163ea50d063d94b63b9a