update gemgem, Rakefile, and .gitignore

.gitignore

@@ -1,2 +1,2 @@
-pkg
+/pkg/
 *.rbc

Rakefile

@@ -1,17 +1,13 @@
 
-require "#{dir = File.dirname(__FILE__)}/task/gemgem"
-Gemgem.dir = dir
-
-($LOAD_PATH << File.expand_path("#{Gemgem.dir}/lib")).uniq!
-
-desc 'Generate gemspec'
-task 'gem:spec' do
-  Gemgem.spec = Gemgem.create do |s|
-    s.name    = 'rack-handlers'
-    s.version = '0.7.0'
-
-    %w[rack].each{ |g| s.add_runtime_dependency(g) }
-  end
+begin
+  require "#{dir = File.dirname(__FILE__)}/task/gemgem"
+rescue LoadError
+  sh 'git submodule update --init'
+  exec Gem.ruby, '-S', $PROGRAM_NAME, *ARGV
+end
 
-  Gemgem.write
+Gemgem.init(dir) do |s|
+  s.name    = 'rack-handlers'
+  s.version = '0.7.0'
+  %w[rack].each{ |g| s.add_runtime_dependency(g) }
 end

rack-handlers.gemspec

@@ -1,12 +1,13 @@
 # -*- encoding: utf-8 -*-
+# stub: rack-handlers 0.7.0 ruby lib
 
 Gem::Specification.new do |s|
   s.name = "rack-handlers"
   s.version = "0.7.0"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Lin Jen-Shin (godfat)"]
-  s.date = "2013-08-23"
+  s.date = "2013-09-28"
   s.description = "Unicorn family Rack handlers for you. Mostly for `rails s`."
   s.email = ["godfat (XD) godfat.org"]
   s.files = [
@@ -26,7 +27,7 @@ Gem::Specification.new do |s|
   s.homepage = "https://github.com/godfat/rack-handlers"
   s.licenses = ["Apache License 2.0"]
   s.require_paths = ["lib"]
-  s.rubygems_version = "2.0.6"
+  s.rubygems_version = "2.1.5"
   s.summary = "Unicorn family Rack handlers for you. Mostly for `rails s`."
 
   if s.respond_to? :specification_version then