Merge pull request bootstrap-ruby#290 from tricknotes/file-exist

Use `File.exist?` instead of `File.exists?`

Author: mattbrictson

test/dummy/config/boot.rb

@@ -1,4 +1,4 @@
 # Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-require 'bundler/setup' if File.exists?(ENV['BUNDLE_GEMFILE'])
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])