requires rails 3.0

* updating gems accordingly

Gemfile

@@ -1,14 +1,15 @@
 source :rubygems
 
-gem "rails", "2.3.14"
+gem "rails", "~> 3.0.15"
 
 gem "coderay", "~> 0.9.7"
-gem "i18n", "~> 0.4.2"
+gem "i18n", "~> 0.5.0"
 gem "rubytree", "~> 0.5.2", :require => 'tree'
 gem "rdoc", ">= 2.4.2"
 # Needed only on RUBY_VERSION = 1.8, ruby 1.9+ compatible interpreters should bring their csv
 gem "fastercsv", "~> 1.5.0", :platforms => [:ruby_18, :jruby, :mingw_18]
-gem 'delayed_job', "~>2.0.4"
+gem 'globalize3', :require => 'globalize'
+gem "delayed_job", "~> 3.0.3"
 
 group :test do
   gem 'shoulda', '~> 2.10.3'
@@ -23,9 +24,6 @@ group :openid do
   gem "ruby-openid", '~> 2.1.4', :require => 'openid'
 end
 
-group :globalize do
-  gem 'globalize2', :require => 'globalize'
-end
 
 group :rmagick do
   gem "rmagick", ">= 1.15.17"