Update to bundler 1.5.1 to fix error with ruby 2.1 on TravisCI
Update to bundler 1.5.1 to fix error with ruby 2.1 on TravisCI

jarredholman/sequel-rails,TalentBox/sequel-rails,jarredholman/sequel-rails,amaniak/sequel-rails,amaniak/sequel-rails,TalentBox/sequel-rails,zBMNForks/sequel-rails,zBMNForks/sequel-rails