solving conflicts
changing pages/how_it_works to start
moving how_it_works to start
started implementing ContributionsController#new template
finished new footer styles
tweaking styles, removing unnecessary styles and consolidating *top, *bottom ... into style lists
renaming footer-simple-links-list to footer-simple-links-item
Merge pull request #812 from diogob/bootstrap

Bootstrap added new header and footer for ContributionsController#new and changed how_it_works to start