diff --git a/.gitignore b/.gitignore
index 69e73788..0b4b3134 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ config/environments/development.rb
 capfile
 config/environments/fcschinke09.rb
 *.swp
+*~
 public/**/*_cached.*
 config/initializers/session_store.rb
 .idea
diff --git a/Gemfile b/Gemfile
index 2bf05686..fec6f012 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,6 @@
 # A sample Gemfile
 source "http://rubygems.org"
+ruby "1.8.7"
 
 gem "rails", '2.3.11'
 
@@ -13,4 +14,4 @@ gem 'sqlite3-ruby'
 group :development do
   gem 'annotate'
   gem 'hirb'
-end
\ No newline at end of file
+end
diff --git a/README_DEVEL b/README_DEVEL
index 060a4ed0..53d20372 100644
--- a/README_DEVEL
+++ b/README_DEVEL
@@ -36,7 +36,16 @@ You need to create your own copy of the foodsoft configuration settings:
 Edit app_config.yml to suit your needs or just keep the defaults for now.
 
 
-(4) Required ruby and gems
+(4) Secret Token
+-------------------
+The user session is stored in a cookie. To avoid misusing the cookies and its sensitive information, rails will encrypt it with a token. So copy the config file
+
+  cp config/initializers/session_store.rb.SAMPLE config/initializers/session_store.rb
+
+and modify the token "config.action_controller.session"!
+
+
+(5) Required ruby and gems
 -------------------
 We reccomend the using of rvm (https://rvm.beginrescueend.com/). Install rvm and get the lates ruby (1.8.7).
 If installed you only need to install the gem bundler:
@@ -48,7 +57,7 @@ After that you get the other gems easily with (from project root):
     bundle install
 
 
-(5) Create database (schema) and load defaults
+(6) Create database (schema) and load defaults
 --------------------------
 	rake db:create
         rake db:schema:load
@@ -57,8 +66,8 @@ After that you get the other gems easily with (from project root):
 With this, you also get a ready to go user with username 'admin' and password 'secret'.
 
 
-(6) Try it out!
+(7) Try it out!
 ---------------	
 Start the WEBrick server to try it out:
 	
-	script/server	
\ No newline at end of file
+	script/server	
diff --git a/app/controllers/orders_controller.rb b/app/controllers/orders_controller.rb
index c9bb0de7..053a0646 100644
--- a/app/controllers/orders_controller.rb
+++ b/app/controllers/orders_controller.rb
@@ -172,4 +172,4 @@ class OrdersController < ApplicationController
     end
     redirect_to order
   end
-end
\ No newline at end of file
+end
diff --git a/app/controllers/tasks_controller.rb b/app/controllers/tasks_controller.rb
index ee11b6a8..57bff129 100644
--- a/app/controllers/tasks_controller.rb
+++ b/app/controllers/tasks_controller.rb
@@ -17,14 +17,13 @@ class TasksController < ApplicationController
   
   def create
     @task = Task.new(params[:task])
-    if @task.errors.empty?
-      @task.save
+    if @task.errors.empty? && @task.save
       flash[:notice] = "Aufgabe wurde erstellt"
       if @task.workgroup
         redirect_to :action => "workgroup", :id => @task.workgroup
       else
         redirect_to :action => "index"
-      end          
+      end
     else
       render :template => "tasks/new"
     end
@@ -41,8 +40,7 @@ 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 :action => "workgroup", :id => @task.workgroup
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 5ea4120c..fbf40827 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -154,5 +154,11 @@ 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
 
 end
diff --git a/app/models/order.rb b/app/models/order.rb
index f154501f..2f49345a 100644
--- a/app/models/order.rb
+++ b/app/models/order.rb
@@ -11,13 +11,17 @@ 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
  
   # Finders
diff --git a/app/models/task.rb b/app/models/task.rb
index 7a3dfacf..f32e6ebd 100644
--- a/app/models/task.rb
+++ b/app/models/task.rb
@@ -11,7 +11,7 @@ class Task < ActiveRecord::Base
   attr_protected :users
   
   validates_length_of :name, :minimum => 3
-  validates_numericality_of :duration, :required_users, :only_integer => true, :greater_than => 1
+  validates_numericality_of :duration, :required_users, :only_integer => true, :greater_than_or_equal_to => 1
 
   after_save :update_ordergroup_stats
   
@@ -29,6 +29,8 @@ class Task < ActiveRecord::Base
   
   # extracts nicknames from a comma seperated string 
   # and makes the users responsible for the task
+  # TODO: check for uniqueness
+  # TODO: check for maximal number of users
   def user_list=(string)
     @user_list = string.split(%r{,\s*})
     new_users = @user_list - users.collect(&:nick)
diff --git a/app/models/user.rb b/app/models/user.rb
index 81b80e9f..3011d2a4 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -11,6 +11,7 @@ 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
 
diff --git a/app/views/messages/new.haml b/app/views/messages/new.haml
index 72939eea..ee119d96 100644
--- a/app/views/messages/new.haml
+++ b/app/views/messages/new.haml
@@ -17,8 +17,12 @@
         %small{:style => "color:grey"}
           Eventuell musst Du Dich dem Verteiler erst bekannt machen.
           %br/
-          z.b. mit einer Mail an
-          = mail_to Foodsoft.config[: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]
       %table#recipients
         %tr
           %td
@@ -58,4 +62,4 @@
     %br/
     ~ f.text_area :body, :cols => '80', :rows => '20'
 
-  = submit_tag "Senden"
\ No newline at end of file
+  = submit_tag "Senden"
diff --git a/app/views/ordering/_order_head.haml b/app/views/ordering/_order_head.haml
index 126fe200..ada44597 100644
--- a/app/views/ordering/_order_head.haml
+++ b/app/views/ordering/_order_head.haml
@@ -10,6 +10,9 @@
           %p
             %b Lieferantin:
             =h @order.name
+          %p
+            %b Erstellt von:
+            =h link_to_user_message_if_valid(@order.created_by)
           %p
             %b Ende:
             =h format_time(@order.ends)
diff --git a/app/views/ordering/my_order_result.haml b/app/views/ordering/my_order_result.haml
index 14d5b6c7..2177d73c 100644
--- a/app/views/ordering/my_order_result.haml
+++ b/app/views/ordering/my_order_result.haml
@@ -32,6 +32,9 @@
             %p
               Notiz:
               =h @order.note
+          %p
+            Erstellt von:
+            =h link_to_user_message_if_valid(@order.created_by)
           %p
             Ende:
             %b=h format_time(@order.ends)
diff --git a/app/views/orders/show.haml b/app/views/orders/show.haml
index 7d16b185..77b3629e 100644
--- a/app/views/orders/show.haml
+++ b/app/views/orders/show.haml
@@ -21,6 +21,9 @@
       %p
         Notiz:
         =h @order.note
+    %p
+      Erstellt von:
+      =h link_to_user_message_if_valid(@order.created_by)
     %p
       Beginn:
       %b=h format_time(@order.starts)
@@ -90,4 +93,4 @@
           %br/
           = submit_tag "Kommentar hinzufügen"
 
-    = link_to_top
\ No newline at end of file
+    = link_to_top
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 0e034bbd..033e1ef6 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -9,7 +9,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120622094337) do
+ActiveRecord::Schema.define(:version => 20121112093327) do
 
   create_table "article_categories", :force => true do |t|
     t.string "name",        :default => "", :null => false
@@ -234,6 +234,7 @@ ActiveRecord::Schema.define(:version => 20120622094337) 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"