added pure white color; added border-sizing that keeps css width true (borders have no effect); margins/centering
user login working with auth error message
user session working // added logout button
fixed password hashing
fixed conflicts from adding hashed password to user sign up
fixed bug where user was not logged in after signing up
Merge branch 'topic_user_sign_in' into topic_club_directory

Conflicts:
	BearClubs/urls.py
Merge branch 'topic_club_directory' of github.com:pkillian/BearClubs into topic_club_directory
Tab -> spaces