Merge pull request #5 from yui-knk/fix/typo

Fix typo
Fix comment
Fix test
Merge pull request #7 from yui-knk/fix/comment

Fix comment of respond_with_resource_options
Merge pull request #8 from yui-knk/fix/test

Fix test of fields parameter
Test all versions of rails supported
Add dependency of responders
Dummy application supports Rails4.x
Garage::OptionalResponseBodyResponder#api_behavior support Rails 4.2
Drop support of Rails 3.x
Use Rails::VERSION::{MAJOR,MINOR}
Remove feature branch from .travis.yml. [ci skip]
Merge pull request #10 from fortissimo1997/support_rails42

Support Rails 4.2 and drop support of Rails 3.x
Bump version 1.3.0
Add badge of travis
Change to use docker container
Merge pull request #11 from blueplanet/add_option_of_travis

Add badge of travis and change option
Fix comment