adding more travis configurations

.travis.yml

@@ -1,14 +1,25 @@
----
 language: ruby
+bundler_args: --without development
+before_install: rm Gemfile.lock || true
 rvm:
-- 1.8.7
-- 1.9.3
-- 2.0.0
-script: bundle exec rake spec
+  - 1.8.7
+  - 1.9.3
+  - 2.0.0
+script: bundle exec rake test
 env:
-  - PUPPET_VERSION="~> 2.7.0"
-  - PUPPET_VERSION="~> 3.1.0"
-  - PUPPET_VERSION="~> 3.2.0"
-  - PUPPET_VERSION="~> 3.3.0"
-  - PUPPET_VERSION="~> 3.4.0"
-  - PUPPET_VERSION="~> 3.5.0"
+  - PUPPET_VERSION="2.7.25"
+  - PUPPET_VERSION="3.3.0"
+  - PUPPET_VERSION="3.1.0"
+  - PUPPET_VERSION="3.2.1"
+  - PUPPET_VERSION="3.3.0"
+  - PUPPET_VERSION="3.4.0"
+  - PUPPET_VERSION="3.5.1"
+  - PUPPET_VERSION="3.6.0"
+matrix:
+  exclude:
+  - rvm: 2.0.0
+    env: PUPPET_VERSION="2.7.25"
+  - rvm: 2.0.0
+    env: PUPPET_VERSION="3.0.0"
+  - rvm: 2.0.0
+    env: PUPPET_VERSION="3.1.0"