Added Calendar widget support from jQuery UI plugin for registration fields.

Add additional div tags and use % based values for all properties instead of pixel based. The core ideas of using multiple containers among other things as commented in the CSS file are taken from http://www.maxdesign.com.au/articles/css-layouts/three-liquid/# giving them the due credits they deserve. Thank you very much guys. I was struggling to get a fully liquid three-column layout. I made some changes as per my ideas.

Fix the styling and modify the help text to calendar field to use the conventional format.

Modify the Form legend text (if we ever make it appear anywhere) to show Create Registration Form.

Add about links to left sidebar which redirects to textbooks and fossee main pages.

Remove Proceed to login text from activate.html file.

Adding activate.html as required by the django-registration protocol.

Add a template page for server error config. HTTP 500.

Move the regbackend import to urls.py.

Add django-extensions app to the site INSTALLED_APPS.

Remove the remaining occurences of uniq_key.

import the signal connector module for profile creation in the models file since it is loaded when django starts the server.

Replace the occurence of role to rights.

Remove all occurences of uniq_key.

Fix the style as per PEP8 guidelines.