Per project forums added.

Permissions for forums management can be set in "Admin -> Roles & Permissions".
Forums can be created on the project settings screen ("Forums" tab).
Once a project has a forum, a "Forums" link appears in the project menu.
For now, posting messages in forums requires to be logged in. Files can be attached to messages.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@529 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -215,6 +215,11 @@ module ApplicationHelper
     image_tag("calendar.png", {:id => "#{field_id}_trigger",:class => "calendar-trigger"}) +
     javascript_tag("Calendar.setup({inputField : '#{field_id}', ifFormat : '%Y-%m-%d', button : '#{field_id}_trigger' });")
   end
+  
+  def wikitoolbar_for(field_id)
+    return '' unless Setting.text_formatting == 'textile'
+    javascript_include_tag('jstoolbar') + javascript_tag("var toolbar = new jsToolBar($('#{field_id}')); toolbar.draw();")
+  end
 end
 
 class TabularFormBuilder < ActionView::Helpers::FormBuilder