added url patterns
added url href 'signup' that goes to 'SignUp'
added sign up form
added a view class about the 'signup'
added template about the 'signup' that shows 'signup page' and a type about the input(POST)
added test code about signup page
modified test code about invalid_password(previous invalid password 'foobar' is 6-digits)
modified the maximum length of the website_url to 255
test code about modified the maximum length of the website_url to 255
add wsgi.py : deploy with wsgi
add sypervisor.conf : configuration for supervisord running django wsgi
add run.sh : simple script running supervisor daemon via supervisor.conf
update supervisor.conf : add comment for future update for static files
add Dockerfile
update README.md : update docs for deployment
update requirements : install django-bower
update settings.py : add bower settings and staticfile settings
update .gitignore : ignore bower components
fix error : remove duplication in requirements.txt
update folder structure : add assets folder for custom staticfiles