Fixes:

* email notifications: host name is missing in generated links (#639, #201)
* email notifications: referenced changesets, wiki pages, attachments... are not turned into links (only ticket ids are)
* attachment links and inline images don't work in issue notes

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1161 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/journal.rb

@@ -51,7 +51,14 @@ class Journal < ActiveRecord::Base
   end
   
   def editable_by?(usr)
-    project = journalized.project
     usr && usr.logged? && (usr.allowed_to?(:edit_issue_notes, project) || (self.user == usr && usr.allowed_to?(:edit_own_issue_notes, project)))
   end
+  
+  def project
+    journalized.respond_to?(:project) ? journalized.project : nil
+  end
+  
+  def attachments
+    journalized.respond_to?(:attachments) ? journalized.attachments : nil
+  end
 end