.travis.yml in knife-windows-0.8.4.rc.3 vs .travis.yml in knife-windows-0.8.4

@@ -1,6 +1,6 @@
 rvm:
-  - 1.9.2
-  - 1.9.3
   - 2.0.0
+  - 2.1.5
+  - 2.2.0
 
 script: bundle exec rake spec