.travis.yml in chatterbot-0.7.1 vs .travis.yml in chatterbot-0.9.0

@@ -1,8 +1,8 @@
 language: ruby
 rvm:
-  - 1.8.7
   - 1.9.2
   - 1.9.3
   - 2.0.0
+  - 2.1.1
 # uncomment this line if your project needs to run something other than `rake`:
 # script: bundle exec rspec spec
\ No newline at end of file