Merge branch 'rails3' into rails3-to-master

Conflicts:
	app/views/suppliers/shared_suppliers.haml

app/models/shared_article.rb

@@ -7,8 +7,8 @@ class SharedArticle < ActiveRecord::Base
 
   belongs_to :shared_supplier, :foreign_key => :supplier_id
 
-  def build_new_article
-    shared_supplier.supplier.articles.build(
+  def build_new_article(supplier)
+    supplier.articles.build(
         :name => name,
         :unit => unit,
         :note => note,

app/models/shared_supplier.rb

@@ -5,7 +5,7 @@ class SharedSupplier < ActiveRecord::Base
   # set correct table_name in external DB
   self.table_name = 'suppliers'
 
-  has_one :supplier
+  has_many :suppliers
   has_many :shared_articles, :foreign_key => :supplier_id
 
   # These set of attributes are used to autofill attributes of new supplier,