.travis.yml in leaderboard-3.9.0 vs .travis.yml in leaderboard-3.10.0

@@ -1,6 +1,5 @@
 language: ruby
 rvm:
-  - 2.1.2
-  - 1.9.3
+  - 2.2.1
 services:
-  - redis-server
\ No newline at end of file
+  - redis-server