Merge pull request #998 from kylef/patch-1

[Objective-C] Comment out CocoaPods rules

Objective-C.gitignore

@@ -17,4 +17,10 @@ DerivedData
 *.ipa
 
 # CocoaPods
-Pods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control?
+#
+# Pods/
+