.travis.yml in re_track-0.7.4 vs .travis.yml in re_track-0.7.5

@@ -1,8 +1,6 @@
 language: ruby
 rvm:
-  - 1.9.3
-  - 2.0.0
+  - 2.2.2
 gemfile:
-  - gemfiles/rails_3.gemfile
-  - gemfiles/rails_4.gemfile
+  - gemfiles/rails_5.gemfile
 services: mongodb