.travis.yml in publish-0.1.0 vs .travis.yml in publish-0.1.1

@@ -1,2 +1,7 @@
+services: mongodb
 rvm:
-  - 1.9.3
\ No newline at end of file
+  - 1.9.3
+
+gemfile:
+  - Gemfile
+  - gemfiles/mongoid-master.gemfile