Extract message system to plugin.

app/views/foodcoop/ordergroups/_ordergroups.html.haml

@@ -15,5 +15,4 @@
         %td= ordergroup.name
         %td=h ordergroup.users.collect { |u| show_user(u) }.join(", ")
         %td= format_date ordergroup.last_order.try(:starts)
-        %td= link_to_new_message(message_params: {group_id: ordergroup.id})
 

app/views/foodcoop/users/_users.html.haml

@@ -21,5 +21,4 @@
         %td= user.phone if @current_user.role_admin? || user.settings.profile["phone_is_public"]
         %td= user.ordergroup_name
         %td= user.workgroups.collect(&:name).join(', ')
-        %td= link_to_new_message(message_params: {mail_to: user.id})
 

app/views/foodcoop/workgroups/_workgroup.html.haml

@@ -2,6 +2,5 @@
   %h3= workgroup.name
   = render :partial => 'shared/group', :locals => { :group => workgroup }
   = link_to t('.show_tasks'), workgroup_tasks_path(workgroup_id: workgroup), class: 'btn'
-  = link_to_new_message message_params: {group_id: workgroup.id}
   - if workgroup.member?(current_user)
     = link_to t('.edit'), edit_foodcoop_workgroup_path(workgroup), class: 'btn'