http://superuser.com/questions/259703/get-mac-tar-to-stop-putting-filenames-in-tar-archives

* add_podfile:
  [Project] Use the relative path for the Podfile.
  [Project] Add the Podfile to the Pods project.

Conflicts:
	lib/cocoapods/project.rb
	spec/unit/project_spec.rb

* DirList:
  [DirList] Support for excluded patterns
  [LocalPod] Added DirList class.
  [Git] UI improvements.
  [Installer] Show project genration step.

Conflicts:
	lib/cocoapods/local_pod.rb