Ipri assignment 2, parts 5,6 - views, templates, error pages

Added web module for all frontend files. urls.py has been updated to include some paths used on the portal.
views.py was created within the web module and views were added for paths: /, /login, /logout, /search, /user.
Templates and web files (html, css) were created and added to web module.

Login view now disimbagutes HTTP get and post requests, additional functionality should be added to the HTTP post section to support user login and session creation.

settings.py was fixed to include relative path to the .db file instead of absolute.