[Xcodeproj] Use Pod::UI for warnings and messages

Gemfile.lock

@@ -17,7 +17,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Xcodeproj.git
-  revision: 31dbcdc11f8b5c1130e00abaa6570b7c3d27fbac
+  revision: e2a6fb7466b26c3628c726271be60700bc635a62
   branch: master
   specs:
     xcodeproj (0.9.0)

lib/cocoapods.rb

 require 'rubygems'
-
-autoload :Xcodeproj, 'xcodeproj'
+require 'xcodeproj'
 
 module Pod
   require 'pathname'

lib/cocoapods/user_interface.rb

@@ -283,23 +283,41 @@ module Pod
   end
   UI = UserInterface
 
+  #---------------------------------------------------------------------------#
+
   # Redirects cocoapods-core UI.
   #
   module CoreUI
 
     class << self
 
-      # @todo enable in CocoaPods 0.17.0 release
-      #
       def puts(message)
-        # UI.puts message
+        UI.puts message
       end
 
-      # @todo enable in CocoaPods 0.17.0 release
-      #
       def warn(message)
-        # UI.warn message
+        UI.warn message
       end
     end
   end
 end
+
+  #---------------------------------------------------------------------------#
+
+module Xcodeproj
+
+  # Redirects xcodeproj UI.
+  #
+  module UserInterface
+
+    def self.puts(message)
+      ::Pod::UI.puts message
+    end
+
+    def self.warn(message)
+      ::Pod::UI.warn message
+    end
+
+  end
+end
+