landing page and login form templates
refactoring landing to use Class Based View
Replace login view for django.contrib.auth.view.login
adding user feedback for login
testing user authorization
adding user home template
changing login with django template language
adding logout link
Adding test fixture
local_settings added
Add mock library to requirements
Adds method to mark functional tests as pending
Merge pull request #10 from mexico-abierto/feature-login

Feature: user login