(maint) Add Travis CI Support

This patch enables Travis CI support using the travis configuration.
Email notifications are turned off to reduce inbox clutter.

This patch should coincide with enabling Travis CI support for pull requests.
A build status image is also included in the project README.

.gitignore

@@ -1,3 +1,6 @@
 pkg
 test.rb
 ext/packaging
+Gemfile.lock
+.bundle/
+vendor/

.travis.yml

@@ -0,0 +1,12 @@
+language: ruby
+bundler_args: --without development
+script: "bundle exec rake spec SPEC_OPTS='--format documentation'"
+notifications:
+  email: false
+rvm:
+  - 1.9.3
+  - 1.8.7
+  - ruby-head
+matrix:
+  allow_failures:
+    - rvm: ruby-head

Gemfile

@@ -0,0 +1,18 @@
+source :rubygems
+
+group :development do
+  gem 'watchr'
+end
+
+group :development, :test do
+  gem 'rake'
+  gem 'rspec', "~> 2.11.0", :require => false
+  gem 'mocha', "~> 0.10.5", :require => false
+  gem 'json', "~> 1.7", :require => false
+end
+
+if File.exists? "#{__FILE__}.local"
+  eval(File.read("#{__FILE__}.local"), binding)
+end
+
+# vim:ft=ruby

README.md

@@ -1,5 +1,7 @@
 # Hiera
 
+[![Build Status](https://travis-ci.org/puppetlabs/hiera.png?branch=master)](https://travis-ci.org/puppetlabs/hiera)
+
 A simple pluggable Hierarchical Database.
 
 -

Rakefile

@@ -41,8 +41,13 @@ end
 
 if defined?(RSpec::Core::RakeTask)
   desc "Run all specs"
-  RSpec::Core::RakeTask.new(:test) do |t|
+  RSpec::Core::RakeTask.new(:spec) do |t|
     t.pattern = 'spec/**/*_spec.rb'
   end
 end
 
+task :test => :spec
+
+task :default do
+  sh 'rake -T'
+end