diff --git a/.gitignore b/.gitignore
index 772a90bd..711263fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ nbproject/
 config/environments/development.rb
 capfile
 *.swp
+*~
 public/**/*_cached.*
 .idea
 .get-dump.yml
diff --git a/Gemfile b/Gemfile
index 576aa790..177a78fb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,6 @@
 # A sample Gemfile
 source "https://rubygems.org"
+ruby "1.9.3"
 
 gem "rails", '3.2.9'
 
diff --git a/README_DEVEL b/README_DEVEL
index 2c18c606..b47a3c51 100644
--- a/README_DEVEL
+++ b/README_DEVEL
@@ -68,7 +68,7 @@ With this, you also get a ready to go user with username 'admin' and password 's
 (7) Try it out!
 ---------------	
 Start the WEBrick server to try it out:
-	
+
 	bundle exec rails s
 
 
diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index d152e876..62e29d8e 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -37,8 +37,7 @@ class TasksController < ApplicationController
   def update
     @task = Task.find(params[:id])
     @task.attributes=(params[:task])
-    if @task.errors.empty?
-      @task.save
+    if @task.errors.empty? && @task.save
       flash[:notice] = "Aufgabe wurde aktualisiert"
       if @task.workgroup
         redirect_to workgroup_tasks_url(workgroup_id: @task.workgroup_id)
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index bf41d188..19269cdb 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -138,6 +138,12 @@ module ApplicationHelper
     link_to h(address), "http://maps.google.de/?q=#{h(address)}", :title => "Show it on google maps",
       :target => "_blank"
   end
+  
+  # offers a link for writing message to user
+  # checks for nil (useful for relations)
+  def link_to_user_message_if_valid(user)
+    user.nil? ? '??' : ( link_to user.nick, user_message_path(user), :title => 'Nachricht schreiben' )
+  end
 
   def bootstrap_flash
     flash_messages = []
diff --git a/app/models/order.rb b/app/models/order.rb
index 28f6bfd5..ed7a6134 100644
--- a/app/models/order.rb
+++ b/app/models/order.rb
@@ -12,13 +12,17 @@ class Order < ActiveRecord::Base
   has_many :comments, :class_name => "OrderComment", :order => "created_at"
   has_many :stock_changes
   belongs_to :supplier
-  belongs_to :updated_by, :class_name => "User", :foreign_key => "updated_by_user_id"
+  belongs_to :updated_by, :class_name => 'User', :foreign_key => 'updated_by_user_id'
+  belongs_to :created_by, :class_name => 'User', :foreign_key => 'created_by_user_id'
 
   # Validations
   validates_presence_of :starts
   validate :starts_before_ends, :include_articles
 
   # Callbacks
+  before_create do |order|
+    order.created_by = User.current_user
+  end
   after_update :update_price_of_group_orders
   after_save :save_order_articles
 
diff --git a/app/models/shared_supplier.rb b/app/models/shared_supplier.rb
index 83cdb6b2..fa1e582a 100644
--- a/app/models/shared_supplier.rb
+++ b/app/models/shared_supplier.rb
@@ -8,8 +8,5 @@ class SharedSupplier < ActiveRecord::Base
   has_one :supplier
   has_many :shared_articles, :foreign_key => :supplier_id
   
-  # save the lists as an array
-  serialize :lists
-  
 end
 
diff --git a/app/models/task.rb b/app/models/task.rb
index a16ada32..3a290e2c 100644
--- a/app/models/task.rb
+++ b/app/models/task.rb
@@ -59,9 +59,10 @@ class Task < ActiveRecord::Base
 
   # Get users from comma seperated ids
   # and makes the users responsible for the task
+  # TODO: check for maximal number of users
   def user_list=(ids)
     list = ids.split(",")
-    new_users = list - users.collect(&:id)
+    new_users = (list - users.collect(&:id)).uniq
     old_users = users.reject { |user| list.include?(user.id) }
     
     logger.debug "[debug] New users: #{new_users}"
diff --git a/app/models/user.rb b/app/models/user.rb
index 2a409d9a..c1d3ebea 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -17,6 +17,7 @@ class User < ActiveRecord::Base
   has_many :tasks, :through => :assignments
   has_many :send_messages, :class_name => "Message", :foreign_key => "sender_id"
   has_many :pages, :foreign_key => 'updated_by'
+  has_many :created_orders, :class_name => 'Order', :foreign_key => 'created_by_user_id', :dependent => :nullify
   
   attr_accessor :password, :setting_attributes
 
@@ -79,10 +80,6 @@ class User < ActiveRecord::Base
   def receive_email?
     settings['messages.sendAsEmail'] == "1" && email.present?
   end
-
-  def ordergroup_name
-    ordergroup.name if ordergroup
-  end
   
   # Sets the user's password. It will be stored encrypted along with a random salt.
   def set_password
diff --git a/app/views/articles/index.haml b/app/views/articles/index.haml
index 9b1a995c..be976bd5 100644
--- a/app/views/articles/index.haml
+++ b/app/views/articles/index.haml
@@ -45,4 +45,4 @@
 
 = form_tag update_selected_supplier_articles_path(@supplier), id: "articlesInListForm",
   'data-submit-onchange' => true do
-  #table= render 'articles'
\ No newline at end of file
+  #table= render 'articles'
diff --git a/app/views/group_orders/_form.html.haml b/app/views/group_orders/_form.html.haml
index b3b2ad91..ccff4dce 100644
--- a/app/views/group_orders/_form.html.haml
+++ b/app/views/group_orders/_form.html.haml
@@ -16,6 +16,8 @@
     - unless @order.note.blank?
       %dt Notiz
       %dd= @order.note
+    %dt Erstellt von
+    %dd= link_to_user_message_if_valid(@order.created_by)
     %dt Ende
     %dd= format_time(@order.ends)
     - unless @order.stockit? or @order.supplier.min_order_quantity.blank?
diff --git a/app/views/messages/new.haml b/app/views/messages/new.haml
index b9ce90be..1df3dbac 100644
--- a/app/views/messages/new.haml
+++ b/app/views/messages/new.haml
@@ -32,8 +32,12 @@
     %small{:style => "color:grey"}
       Eventuell musst Du Dich dem Verteiler erst bekannt machen.
       %br/
-      z.b. mit einer Mail an
-      = mail_to FoodsoftConfig[:mailing_list_subscribe]
+      - if Foodsoft.config[:mailing_list_subscribe].blank?
+        Erklärungen zum Verteiler findest Du im
+        = link_to 'Wiki (Abschnitt Mailing-Liste)', wiki_page_path('MailingListe')
+      - else
+        z.b. mit einer Mail an
+        = mail_to Foodsoft.config[:mailing_list_subscribe]
 
   #recipients
     = f.input :recipient_tokens, :input_html => { 'data-pre' => User.find_all_by_id(@message.recipients_ids).map { |u| u.token_attributes }.to_json }
diff --git a/app/views/orders/show.html.haml b/app/views/orders/show.html.haml
index 8dfdded7..2e6f163d 100644
--- a/app/views/orders/show.html.haml
+++ b/app/views/orders/show.html.haml
@@ -8,17 +8,17 @@
   %dl.dl-horizontal
     %dt Lieferantin
     %dd= @order.name
-    %dt Notiz
-    %dd= @order.note
+    - if @note.present?
+      %dt Notiz
+      %dd= @order.note
+    %dt Erstellt von
+    %dd= link_to_user_message_if_valid(@order.created_by)
     %dt Beginn
     %dd= format_time(@order.starts)
     %dt Ende
     %dd= format_time(@order.ends)
     %dt Gruppenbestellungen:
-    %dd
-      = @order.group_orders.count
-      = "[#{@order.group_orders.includes(:ordergroup).all.collect{|g| g.ordergroup.name}.join(', ')}]"
-      
+    %dd #{@order.group_orders.count} (#{@order.group_orders.includes(:ordergroup).all.map {|g| g.ordergroup.name}.join(', ')})
     %dt Netto/Bruttosumme aller Artikel:
     %dd= "#{number_to_currency(@order.sum(:net))} / #{number_to_currency(@order.sum(:gross))}"
     %dt Bestellte Artikel:
diff --git a/db/migrate/20121112093327_add_created_by_user_id_to_orders.rb b/db/migrate/20121112093327_add_created_by_user_id_to_orders.rb
new file mode 100644
index 00000000..64614aa4
--- /dev/null
+++ b/db/migrate/20121112093327_add_created_by_user_id_to_orders.rb
@@ -0,0 +1,9 @@
+class AddCreatedByUserIdToOrders < ActiveRecord::Migration
+  def self.up
+    add_column :orders, :created_by_user_id, :integer
+  end
+
+  def self.down
+    remove_column :orders, :created_by_user_id
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2e795b70..423da9a8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120929155541) do
+ActiveRecord::Schema.define(:version => 20121112093327) do
 
   create_table "article_categories", :force => true do |t|
     t.string "name",        :default => "", :null => false
@@ -253,6 +253,7 @@ ActiveRecord::Schema.define(:version => 20120929155541) do
     t.integer  "lock_version",                                     :default => 0,      :null => false
     t.integer  "updated_by_user_id"
     t.decimal  "foodcoop_result",    :precision => 8, :scale => 2
+    t.integer  "created_by_user_id"
   end
 
   add_index "orders", ["state"], :name => "index_orders_on_state"