Merge pull request #362 from alexrothenberg/use_https_for_specs_git_url

Setup should use `https://github.com/CocoaPods/Specs.git` url

lib/cocoapods/command/setup.rb

@@ -31,7 +31,7 @@ module Pod
       end
 
       def read_only_url
-        'git://github.com/CocoaPods/Specs.git'
+        'https://github.com/CocoaPods/Specs.git'
       end
 
       def read_write_url

spec/functional/command/setup_spec.rb

@@ -17,7 +17,7 @@ describe "Pod::Command::Setup" do
 
   it "returns the read only URL of the `master' spec-repo" do
     cmd = Pod::Command::Setup.new(argv)
-    cmd.url.should == 'git://github.com/CocoaPods/Specs.git'
+    cmd.url.should == 'https://github.com/CocoaPods/Specs.git'
   end
 
   it "returns the push URL of the `master' spec-repo" do