Style login page.

Login form is an example of accessing Django form fields individually
Merge branch 'master' of github.com:calblueprint/odalc into login_form_fixes
Make login kind of responsive
Add mixin to get user data in views
Add links to dashboards in nav bar
Fix for consistency in url names
Create View classes for about and donate pages
Add UserDataMixin to all views
Change admin dashboard url name for consistency
Add seed data script to create admin user
Clean up imports in views and urls
Add course page mockup to urls
Add link to course mock for demos
Merge pull request #43 from calblueprint/login_form_fixes

Login form fixes