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
Adds login and logout functions
Merge branch 'registration' into housingtrader

Conflicts:
	examensarbete/urls.py
Adds login requirement to index page
Merge branch 'master' into registration
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