Adds documentation on Turn server setup
Merge branch 'master' of github.com:peepoltv/streaming-server

* 'master' of github.com:peepoltv/streaming-server:
  Adds transcoding-service submodule
  Adds logs and pids content to gitignore [#62982056]
  Bluepill housekeeping [#62982056]
  Adds bluepill and upstart configuration for process monitoring [finish #62982056]