Add a gemspec for cocoapods itself.

.gitignore

 *.swp
 *.swo
 *.rbo
+*.gem
 .DS_Store
 tmp
 examples/Pods

cocoapods.gemspec

+# -*- encoding: utf-8 -*-
+
+Gem::Specification.new do |s|
+  s.name     = "cocoapods"
+  s.version  = "0.0.1"
+  s.date     = "2011-09-17"
+  s.license  = "MIT"
+  s.summary  = "A simple Objective-C library package manager."
+  s.email    = "eloy.de.enige@gmail.com"
+  s.homepage = "https://github.com/alloy/cocoapods"
+  s.authors  = ["Eloy Duran"]
+
+  s.files    = Dir["lib/**/*.rb"] +
+               Dir["xcode-project-templates/**/*.*"] +
+               %w{ bin/pod README.md LICENSE }
+
+  s.executables   = %w{ pod }
+  s.require_paths = %w{ lib }
+
+  s.post_install_message = "To speed up load time of cocoapods consider compiling the Ruby source files:\n\n" \
+                           "    $ sudo macgem install rubygems-compile\n" \
+                           "    $ sudo macgem compile cocoapods\n\n"
+
+  ## Make sure you can build the gem on older versions of RubyGems too:
+  s.rubygems_version = "1.6.2"
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.specification_version = 3 if s.respond_to? :specification_version
+end