fixes mailer issue, no mails where sent
Add permission view_others_stuff_to_do, so that privileged user can view and change , not only admins
translations now work in redmine 2.3, we have not to hardcode the title anymore.
Forms in rails3 gives have a return value instead of echoing the output.
Improves filter - normal user can now filter to (status and priority) - no more closed stati are shown
line for postgres support added, but not yet activated