Added version details view accessible from the roadmap.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@955 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue_category.rb

@@ -35,5 +35,9 @@ class IssueCategory < ActiveRecord::Base
     destroy_without_reassign
   end
   
+  def <=>(category)
+    name <=> category.name
+  end
+  
   def to_s; name end
 end