Merge pull request kakwa#65 from cole-christensen/master

Update and fix Travis tests

Author: kakwa

.travis.yml

@@ -8,7 +8,9 @@ script: "bundle exec rake validate && bundle exec rake lint || bundle exec rake
 matrix:
   fast_finish: true
   include:
+  - rvm: 2.5.3
+    env: PUPPET_VERSION="6.2.0"
+  - rvm: 2.4.1
+    env: PUPPET_VERSION="5.5.0"
   - rvm: 2.1.5
-    env: PUPPET_GEM_VERSION="~> 4.10.0"
-  - rvm: 2.1.5
-    env: PUPPET_GEM_VERSION="~> 5.4.0"
+    env: PUPPET_VERSION="4.10.0"