Empty to trigger ruby update on Heroku. Fixes
https://www.ruby-lang.org/en/news/2014/03/29/heap-overflow-in-yaml-uri-escape-parsing-cve-2014-2525/
Merge branch 'master' of github.com:oscurrencyVRL/oscurrency

* 'master' of github.com:oscurrencyVRL/oscurrency:
  Fixes travis config errors and adds build status badge to README.md