added new puppet versions to travis

Author: crayfishx

.travis.yml

@@ -12,6 +12,9 @@ env:
   - PUPPET_VERSION="~> 4.5.0"
   - PUPPET_VERSION="~> 4.6.1"
   - PUPPET_VERSION="~> 4.7.0"
+  - PUPPET_VERSION="~> 4.8.0"
+  - PUPPET_VERSION="~> 4.9.2"
+  - PUPPET_VERSION="~> 4.10.0"
 rvm:
   - 1.9.3
   - 2.0