* xcodeproj-refactor: (48 commits)
  Changelog
  [Specs] Fix issue that lead to generation of files in the fixtures folder.
  Completed support for Xcodeproj refactor.
  [Gemfile] Use Xcodeproj refactor branch.
  Release 0.15.2
  [Bundle] Update.
  [Gemspec] Require Xcodeproj 0.3.5.
  Remove stray puts.
  Update the lockfiles of the examples.
  [Gemfile] Install and remove dependency on letters gem.
  [LocalPod] Always use Pathname::glob.
  [Gemspec] Use spermy indicator for xcodeproj.
  [Specs] Complete revert of 8e72cbe1
  Fixed a bug with the flags passed into `Dir.glob`
  Fixing a bug where `downcase` was being called on the list of used file paths
  Updated `clean_paths` and `expand_paths` methods to use `File::FNM_CASEFOLD`
  [Xcodeproj] Initial adaptation for refactor.
  [Linter/Push] Properly singularize words in output.
  [Bundler] Update.
  [UI] Support for running CocoaPods without a terminal.
  ...

Conflicts:
	lib/cocoapods/installer.rb
	spec/unit/installer_spec.rb