Merge pull request #366 from lksv/master

Update responders dependency from 1.0.0 to 1.1.0
Depend on responders 1.x

1.x release already has a defined API so we can't depend in any version
of this serie without any fear
Add @joelmoss as author and remove plataformatec email
Release 1.5.0
Update README.md
Update LICENSE and other files
 #325 fix: set belongs_to properly for namespaced controller and non namespaced model