Update travis config for bundler fix travis-ci/travis-ci#1793 and up-…

…to-date puppet/ruby matrix

.travis.yml

@@ -1,11 +1,23 @@
 language: ruby
+before_install:
+  - gem update --system 2.1.11
+  - gem --version
+bundler_args: --without development
+script: "bundle exec rake spec SPEC_OPTS='--format documentation'"
 rvm:
-  - 1.9.2
-  - 1.9.3
   - 1.8.7
-script: "bundle exec rake"
+  - 1.9.3
+  - 2.0.0
 env:
-    - PUPPET_GEM_VERSION="~> 2.7"
-    - PUPPET_GEM_VERSION="~> 3.0"
-    - PUPPET_GEM_VERSION="~> 3.1"
-
+  - PUPPET_GEM_VERSION="~> 2.7"
+  - PUPPET_GEM_VERSION="~> 3.0"
+  - PUPPET_GEM_VERSION="~> 3.4"
+matrix:
+  exclude:
+    - rvm: 1.9.3
+      env: PUPPET_GEM_VERSION="~> 2.7"
+    - rvm: 2.0.0
+      env: PUPPET_GEM_VERSION="~> 2.7"
+notifications:
+  email:
+    - johan@johan.org.uk