Fixes custom fields display order at several places (#1768).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1731 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/custom_field.rb

@@ -66,7 +66,7 @@ class CustomField < ActiveRecord::Base
   
   # to move in project_custom_field
   def self.for_all
-    find(:all, :conditions => ["is_for_all=?", true])
+    find(:all, :conditions => ["is_for_all=?", true], :order => 'position')
   end
   
   def type_name