[fix] Dropped curl from stats

lib/cocoapods/command/set_present.rb

+require 'net/http'
+
 module Pod
   class Command
     module SetPresent
@@ -62,9 +64,9 @@ module Pod
 
         result = {}
         if original_url
-          repo_info = `curl -s -m 2 http://github.com/api/v2/json/repos/show/#{username}/#{reponame}`
-          result[:watchers] = repo_info.match(/\"watchers\"\W*:\W*([0-9]+)/).to_a[1]
-          result[:forks] = repo_info.match(/\"forks\"\W*:\W*([0-9]+)/).to_a[1]
+          gh_response       = Net::HTTP.get('github.com', "/api/v2/json/repos/show/#{username}/#{reponame}")
+          result[:watchers] = gh_response.match(/\"watchers\"\W*:\W*([0-9]+)/).to_a[1]
+          result[:forks]    = gh_response.match(/\"forks\"\W*:\W*([0-9]+)/).to_a[1]
         end
         result
       end

spec/unit/command/set_present_spec.rb

 require File.expand_path('../../../spec_helper', __FILE__)
+require 'net/http'
 
 describe Pod::Command::SetPresent do
 
@@ -28,6 +29,8 @@ describe Pod::Command::SetPresent do
   end
 
   it "presents the stats of a specification set" do
+    response = '{"repository":{"homepage":"","url":"https://github.com/robbiehanson/CocoaLumberjack","has_downloads":true,"has_issues":true,"language":"Objective-C","master_branch":"master","forks":42,"fork":false,"created_at":"2011/03/30 19:38:39 -0700","has_wiki":true,"description":"A fast & simple, yet powerful & flexible logging framework for Mac and iOS","size":416,"private":false,"name":"CocoaLumberjack","owner":"robbiehanson","open_issues":4,"watchers":318,"pushed_at":"2012/03/26 12:39:36 -0700"}}% '
+    Net::HTTP.expects(:get).with('github.com', '/api/v2/json/repos/show/robbiehanson/CocoaLumberjack').returns(response)
     @dummy.parse_set_options(argv('--stats'))
     @dummy.present_set(@set)
     @dummy.prinded.should.match(/Watchers:\W+[0-9]+/)