Puppet 4 is gone

Author: yakatz

.travis.yml

@@ -7,9 +7,5 @@ rvm:
   - 2.3.4
 script: bundle exec rake test
 env:
-  - PUPPET_VERSION="~> 4.5.0"
-  - PUPPET_VERSION="~> 4.6.0"
-  - PUPPET_VERSION="~> 4.7.0"
-  - PUPPET_VERSION="~> 4.8.0"
-  - PUPPET_VERSION="~> 4.9.0"
-  - PUPPET_VERSION="~> 5.0.0"
+  - PUPPET_VERSION="~> 5.5"
+  - PUPPET_VERSION="~> 6.16"