Added config.rb for Rakefile usage
Added .travis.yml build matrix
Fixed tests for Rails 4
Added explicit script config to .travis.yml
Guarantee latest bundler

Possible dependency issues with bundler 1.5. Works locally with bundler
1.6.
Merge pull request #41 from ahoward/travis-ci

Setup travis CI
Merge branch 'master' into bundle-gem-tasks

* master:
  Guarantee latest bundler
  Added explicit script config to .travis.yml
  Fixed tests for Rails 4
  Added .travis.yml build matrix
  Added config.rb for Rakefile usage

Conflicts:
	test/helper.rb