Merge branch 'master' of https://github.com/cityindex/logsearch-purge-bot

# By Sky Sanders (2) and others
# Via Sky Sanders
* 'master' of https://github.com/cityindex/logsearch-purge-bot:
  added unix signal handling
  put purge window into env
  addded ip announce and loop
  Add CF manifest.yml and set compilation to output to _bin
  move to linux/mono
Merge pull request #3 from cityindex/issue3-open_ssh_tunnel

Open SSH tunnel to LogSearch when running from CF