Adds the Listing model to housingtrader app, with
some of the fields that will be used. Also adds a function that
generates form choices for number of rooms.
Merge branch 'master' into housingtrader
Adds housingtrader to INSTALLED_APPS
Adds a simple index page
Merge branch 'registration' into housingtrader

Conflicts:
	examensarbete/urls.py
Adds login requirement to index page
Merge branch 'master' into housingtrader
Adds more fields to the Listing model
Adds the functionality for a user to create a listing
Activates admin and adds Listing model to admin
Added null and blank allowance for the Listing model's
brf status fields, and False defaults to certain boolean fields
Adds a list of the user's listings on the index page,
and an edit functionality for listings.
Adds a test for a "find matches" function
Adds tests that assert that all filters of the Listing model
are used in the find_matches function
Completes the find_matches function
Fixes a bug that made it impossible to save a listing
from the form
Replaces the Listing form test with a more useful
and thorough one that tests the create_listing view instead
Added table layout for the list of the User's listings
on the index page
Adds postal town field to listing model
Adds postal town field to test case