.travis.yml in le-2.7.1 vs .travis.yml in le-2.7.2

@@ -1,5 +1,7 @@
 language: ruby
 rvm:
   - 2.0.0
   - 1.9.3
   - jruby-19mode
+before_install:
+  - gem install bundler
\ No newline at end of file