Add simple Rakefile for running specs


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@668907 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/Rakefile b/lib/rb/Rakefile
new file mode 100644
index 0000000..017ab9b
--- /dev/null
+++ b/lib/rb/Rakefile
@@ -0,0 +1,10 @@
+require 'rubygems'
+require 'rake'
+require 'spec/rake/spectask'
+
+task :default => :spec
+
+Spec::Rake::SpecTask.new("spec") do |t|
+  t.spec_files = FileList['spec/**/*_spec.rb']
+  t.spec_opts = ['--color']
+end