Move i18n to Gemfile.

Gemfile

@@ -6,6 +6,9 @@ gem "rails", "3.0.pre", :path => "railties"
   gem lib, '3.0.pre', :path => lib
 end
 
+# AS
+gem "i18n", ">= 0.3.0"
+
 # AR
 gem "arel", "0.2.pre", :git => "git://github.com/rails/arel.git"
 gem "sqlite3-ruby", ">= 1.2.5"
@@ -32,4 +35,4 @@ if ENV['CI']
   end
 end
 
-disable_system_gems
+disable_system_gems

activesupport/lib/active_support/vendor.rb

@@ -4,7 +4,7 @@ def ActiveSupport.requirable?(file)
   $LOAD_PATH.any? { |p| Dir.glob("#{p}/#{file}.*").any? }
 end
 
-[%w(builder 2.1.2), %w(i18n 0.1.3), %w(memcache-client 1.7.5), %w(tzinfo 0.3.15)].each do |lib, version|
+[%w(builder 2.1.2), %w(memcache-client 1.7.5), %w(tzinfo 0.3.15)].each do |lib, version|
   # If the lib is not already requirable
   unless ActiveSupport.requirable? lib
     # Try to activate a gem ~> satisfying the requested version first.