.travis.yml in to_factory-2.0.0 vs .travis.yml in to_factory-2.1.0

@@ -1,12 +1,14 @@
 language: ruby
 rvm:
   - 2.2.3
   - 2.1.7
   - 2.0.0
-  - 1.9.3
 
 script: "./bin/ci"
+cache: bundler
+
+sudo: false
 
 branches:
   only:
     - master
     - stable