Migrate to rails 4.0.4
Merge branch 'master' into migrate-to-rails4

* master:
  Cambio de version
  Added factory for newsletter
  Cambio de version
  unhounding quotes
  Warnings removed:
  Better explanation of what I'm testing
  It's a module, not a decorator -> its name shouldn't be SuscribibleDecorator, but Decorators::Suscribible
  hound, don't fuck us with schema!!
  Migration files belong to engine, and not to the dummy app
  added suscribible_decorator and newsletter_decorator, with the method param_key
  Created Newsletter as a Suscribible
  We want Ruby 1.9 syntax
  new settings

Conflicts:
	Gemfile
Merge branch 'master' into migrate-to-rails4

* master:
  3.0.0
  Change travis configuration
ignoring patch number
Merge pull request #27 from Soluciones/migrate-to-rails4

Migrate to rails4