Update travis and bundler

- Use ruby 2.0.0 instead of ruby-head
- Remove puppet 2.6 testing
- Add more bundler gems

.travis.yml

@@ -4,26 +4,23 @@ script: "bundle exec rake spec SPEC_OPTS='--format documentation'"
 rvm:
   - 1.8.7
   - 1.9.3
-  - ruby-head
+  - 2.0.0
 env:
-  - PUPPET_GEM_VERSION="~> 2.6.0"
   - PUPPET_GEM_VERSION="~> 2.7.0"
   - PUPPET_GEM_VERSION="~> 3.0.0"
   - PUPPET_GEM_VERSION="~> 3.1.0"
   - PUPPET_GEM_VERSION="~> 3.2.0"
 matrix:
   exclude:
-    - rvm: ruby-head
-      env: PUPPET_GEM_VERSION="~> 3.0.0"
-    - rvm: ruby-head
-      env: PUPPET_GEM_VERSION="~> 3.1.0"
     - rvm: 1.9.3
       env: PUPPET_GEM_VERSION="~> 2.7.0"
-    - rvm: ruby-head
+    - rvm: 2.0.0
       env: PUPPET_GEM_VERSION="~> 2.7.0"
-    - rvm: 1.9.3
-      env: PUPPET_GEM_VERSION="~> 2.6.0"
-    - rvm: ruby-head
-      env: PUPPET_GEM_VERSION="~> 2.6.0"
+    - rvm: 2.0.0
+      env: PUPPET_GEM_VERSION="~> 3.0.0"
+    - rvm: 2.0.0
+      env: PUPPET_GEM_VERSION="~> 3.1.0"
+    - rvm: 1.8.7
+      env: PUPPET_GEM_VERSION="~> 3.2.0"
 notifications:
   email: false

Gemfile

@@ -1,6 +1,8 @@
-source :rubygems
+source 'https://rubygems.org'
 
 group :development, :test do
+  gem 'rake',                   :require => false
+  gem 'rspec-puppet',           :require => false
   gem 'puppetlabs_spec_helper', :require => false
 end