.travis.yml in json_schema_builder-0.0.6 vs .travis.yml in json_schema_builder-0.1.0

@@ -1,4 +1,6 @@
+# force a recent version as long as the default is too old
+before_install:
+  - gem install bundler -v 1.11
 rvm:
-  - 1.8.7
-  - 1.9.2
+  - 2.2
   - 1.9.3