.travis.yml in biodiversity-3.4.6 vs .travis.yml in biodiversity-3.5.0

@@ -1,10 +1,10 @@
 rvm:
-  - 2.0
   - 2.1
   - 2.2
   - 2.3
   - 2.4
+  - 2.5
 branches:
   only:
       - master
 before_script:
   - bundle exec rake tt