.travis.yml in plucky-0.5.2 vs .travis.yml in plucky-0.6.0

@@ -1,9 +1,9 @@
 language: ruby
 rvm:
   - 1.8.7
   - ree
-  - 1.9.2
   - 1.9.3
 notifications:
   email: false
-bundler_args: --without debug
+bundler_args: --without debug guard performance
+services: mongodb