fixed assign_task method to display a not_allowed message if task status not in OP WR.

finalised the view_task page.

now if a task has subs, it will remain locked forever.

modified add_user and rem_user methods to also include the mentor who is doing it.

ditchaxed credit model.

after replying to a request, you are redirected to browse redirects page.

no bogus post request can be made now in addmentor page.

fixed a small bug in create_notification for the case NT.

now a user cannot make two requests to another user for mentoring a task.

now a user who was requested to be something cannot be requested to be the same again.

fixed a_or_an in reject request.

now accepting an admin request will make all pending AD MG DV reqs as inactive.

now accepting to be a MG deleted pending DV and MG reqs.

modified get_user method to give only count of unread requests.

now if a user accepts to be a mentor, all his pending reqs will be made invalid.

fixed the a_or_an bug .

added the functionality to request a user to be AD MG DV.

now learn more pages open in a new window.

provided links to make a raise the privileges of a user.

now all the pages show number of unread beside requests and notifications link in sidebar.

now requests in sidebar shows the no.of unread notifications.

deducing previous credits for a task using the request model. with a few changes, we can ditchax the credits model.

now view credits page shows all the credits.. including the pending and rejected ones.

added filter on time for view task request notification.

added next and previous capabilities to requests and notifications.

implemented notification functionality for AD MG DV.

added notifications for approval and rejection of a mentor.

added __unicode__ method to notification and removed useless comments in reply_to_request.