does not help us since travis-ci runs gem --version before *before_install*

Author: kares

.travis.yml

@@ -3,7 +3,7 @@ bundler_args: --without development
 script: bundle exec rake test_$DB
 before_script: export JRUBY_OPTS="--server -Xcext.enabled=false -Xcompile.invokedynamic=false"
 before_install:
-  - gem update --system 2.1.11
+  #- gem update --system 2.1.11
   #- 'ruby -e "puts RUBY_VERSION" | grep ^1\.8 && gem update --system -v 2.1.11 || true'
 rvm:
   - jruby