Change travis configuration
Merge branch 'migrate-to-postgresql' of github.com:Soluciones/news_tematica into migrate-to-postgresql

* 'migrate-to-postgresql' of github.com:Soluciones/news_tematica:
  Version change
  now we are using Ruby 2.1.2
  Hound as Rankia and Verema

Conflicts:
	.travis.yml