.travis.yml in nugrant-2.1.2 vs .travis.yml in nugrant-2.1.3

@@ -1,10 +1,15 @@
 language: ruby
 
 rvm:
-  - 1.9.3
   - 2.0.0
   - 2.1
+  - 2.2.3
 
-bundler_args: --without doc guard --jobs 7
+before_install:
+  - rvm @global do gem uninstall bundler -a -x
+  - rvm @global do gem install bundler -v 1.10.6
+
+install:
+  - bundle install --without doc guard --jobs 3 --retry 3
 
 script: bundle exec rake