Switched to the bundler gem way, rebooted to 0.0.1

Gemfile

@@ -0,0 +1,4 @@
+source "http://rubygems.org"
+
+# Specify your gem's dependencies in ajax-nested-fields.gemspec
+gemspec

Gemfile.lock

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+PATH
+  remote: .
+  specs:
+    ajax-nested-fields (0.0.1)
+
+GEM
+  remote: http://rubygems.org/
+  specs:
+    minitest (2.1.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  ajax-nested-fields!
+  minitest

Rakefile

@@ -1,53 +1,2 @@
-require 'rubygems'
-require 'rake'
-
-begin
-  require 'jeweler'
-  Jeweler::Tasks.new do |gem|
-    gem.name = "nested-fields"
-    gem.summary = %Q{Use nested attributes to add nested fields}
-    gem.description = %Q{Use nested attributes to add nested fields}
-    gem.email = "roberto.sanchez@crowdint.com"
-    gem.homepage = "https://github.com/crowdint/robert"
-    gem.authors = ["Roberto Sanchez Sanchez"]
-    # gem.add_development_dependency "thoughtbot-shoulda", ">= 0"
-    # gem is a Gem::Specification... see http://www.rubygems.org/read/chapter/20 for additional settings
-  end
-  Jeweler::GemcutterTasks.new
-rescue LoadError
-  puts "Jeweler (or a dependency) not available. Install it with: gem install jeweler"
-end
-
-require 'rake/testtask'
-Rake::TestTask.new(:test) do |test|
-  test.libs << 'lib' << 'test'
-  test.pattern = 'test/**/test_*.rb'
-  test.verbose = true
-end
-
-begin
-  require 'rcov/rcovtask'
-  Rcov::RcovTask.new do |test|
-    test.libs << 'test'
-    test.pattern = 'test/**/test_*.rb'
-    test.verbose = true
-  end
-rescue LoadError
-  task :rcov do
-    abort "RCov is not available. In order to run rcov, you must: sudo gem install spicycode-rcov"
-  end
-end
-
-task :test => :check_dependencies
-
-task :default => :test
-
-require 'rake/rdoctask'
-Rake::RDocTask.new do |rdoc|
-  version = File.exist?('VERSION') ? File.read('VERSION') : ""
-
-  rdoc.rdoc_dir = 'rdoc'
-  rdoc.title = "nested-fields #{version}"
-  rdoc.rdoc_files.include('README*')
-  rdoc.rdoc_files.include('lib/**/*.rb')
-end
+require 'bundler'
+Bundler::GemHelper.install_tasks

ajax-nested-fields.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "ajax-nested-fields/version"
+
+Gem::Specification.new do |s|
+  s.name        = "ajax-nested-fields"
+  s.version     = Ajax::Nested::Fields::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Roberto Sanchez", "David Padilla"]
+  s.email       = ["roberto.sanchez@crowdint.com", "david@crowdint.com"]
+  s.homepage    = ""
+  s.summary     = %q{Easy implementation of AJAX Nested fields"}
+  s.description = %q{Easy implementation of AJAX Nested fields"}
+
+  s.rubyforge_project = "ajax-nested-fields"
+
+  s.add_development_dependency "minitest"
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+end

lib/ajax-nested-fields/version.rb

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+module AjaxNestedFields
+  VERSION = "0.0.1"
+end